{"id":3960,"date":"2020-10-09T07:59:35","date_gmt":"2020-10-09T05:59:35","guid":{"rendered":"https:\/\/www.enviblog.cz\/blog\/?p=3960"},"modified":"2020-10-09T07:59:37","modified_gmt":"2020-10-09T05:59:37","slug":"vyjimecne-nizke-koncentrace-suspendovanych-castic-a-oxidu-dusiku-v-prvnich-9-mesicich-roku-2020","status":"publish","type":"post","link":"https:\/\/www.enviblog.cz\/blog\/2020\/10\/09\/vyjimecne-nizke-koncentrace-suspendovanych-castic-a-oxidu-dusiku-v-prvnich-9-mesicich-roku-2020\/","title":{"rendered":"V\u00fdjime\u010dn\u011b n\u00edzk\u00e9 koncentrace suspendovan\u00fdch \u010d\u00e1stic a oxid\u016f dus\u00edku v prvn\u00edch 9 m\u011bs\u00edc\u00edch roku 2020"},"content":{"rendered":"<p><em><strong>V leto\u0161n\u00edm roce m\u00e1me zat\u00edm velmi dob\u0159e nakro\u010deno k dosa\u017een\u00ed roku s nejni\u017e\u0161\u00edmi koncentracemi zne\u010di\u0161\u0165uj\u00edc\u00edch l\u00e1tek. V tomto \u010dl\u00e1nku si uk\u00e1\u017eeme, jak vypad\u00e1 situace ke konci z\u00e1\u0159\u00ed u suspendovan\u00fdch (prachov\u00fdch) \u010d\u00e1stic a oxid\u016f dus\u00edku a z\u00e1rove\u0148 pokus\u00edme vysv\u011btlit, co je p\u0159\u00ed\u010dinou.<\/strong><\/em><\/p>\n<p>Pro \u00fa\u010dely t\u00e9to anal\u00fdzy byla pou\u017eita operativn\u00ed data o koncentrac\u00edch oxid\u016f dus\u00edku, oxidu dusi\u010dit\u00e9ho a prachov\u00fdch \u010d\u00e1stic PM<sub>10<\/sub> a PM<sub>2,5<\/sub>, nam\u011b\u0159en\u00fdch automatick\u00fdmi stanicemi imisn\u00edho monitoringu. Do anal\u00fdzy bylo zahrnuto celkem 15 stanic z r\u016fzn\u00fdch \u010d\u00e1st\u00ed republiky a r\u016fzn\u00e9ho typu (od m\u011bstsk\u00fdch dopravn\u00edch, p\u0159edm\u011bstsk\u00fdch poza\u010fov\u00fdch a\u017e po venkovsk\u00e9 poza\u010fov\u00e9 stanice). C\u00edlem bylo srovnat pr\u016fm\u011brn\u00e9 koncentrace za obdob\u00ed leden-z\u00e1\u0159\u00ed v roce 2020 s hodnotami v posledn\u00edch 5 letech (2015-2019). Do anal\u00fdzy byly zahrnuty pouze stanice s dostate\u010dn\u00fdm mno\u017estv\u00edm dat v jednotliv\u00e9 roky a stanice, kter\u00e9 maj\u00ed k dispozici pr\u016fm\u011br leden-z\u00e1\u0159\u00ed pro v\u0161echny roky v obdob\u00ed 2015-2020. V\u00fdb\u011br stanic byl proveden z\u010d\u00e1sti n\u00e1hodn\u011b tak, aby pokr\u00fdval celou republiku a zahrnoval r\u016fzn\u00e9 typy stanic.<\/p>\n<p>Kvalita ovzdu\u0161\u00ed je obecn\u011b nejhor\u0161\u00ed v\u00a0zimn\u00edm obdob\u00ed. Nejedn\u00e1 se o kone\u010dn\u00e9 ro\u010dn\u00ed hodnoty, proto m\u016f\u017ee do konce roku b\u00fdt v\u0161e jinak. P\u0159esto, jak si nyn\u00ed uk\u00e1\u017eeme, je leto\u0161n\u00ed rok velmi pozitivn\u00ed z\u00a0pohledu kvality ovzdu\u0161\u00ed v\u00a0\u010cesk\u00e9 republice.<\/p>\n<h2>Suspendovan\u00e9 \u010d\u00e1stice PM<sub>10<\/sub><\/h2>\n<p>Suspendovan\u00e9 (prachov\u00e9) \u010d\u00e1stice obecn\u011b jsou produkov\u00e1ny zejm\u00e9na lok\u00e1ln\u00edmi topeni\u0161ti a pat\u0159\u00ed mezi problematick\u00e9 zne\u010di\u0161\u0165uj\u00edc\u00ed l\u00e1tky v\u00a0\u010cesk\u00e9 republice, nebo\u0165 je na n\u011bkter\u00fdch m\u00edstech pravideln\u011b p\u0159ekra\u010dov\u00e1n imisn\u00ed limit pro 24h koncentrace t\u00e9to l\u00e1tky (50\u00a0\u00b5g.m<sup>-3<\/sup>), na n\u011bkter\u00fdch m\u00edstech je p\u0159ekra\u010dov\u00e1n i imisn\u00ed limit pro ro\u010dn\u00ed pr\u016fm\u011br (40\u00a0\u00b5g.m<sup>-3<\/sup>).<\/p>\n<p>Z 15 hodnocen\u00fdch stanic byly koncentrace PM<sub>10<\/sub> v m\u011bs\u00edc\u00edch leden a\u017e z\u00e1\u0159\u00ed v roce 2020 nejni\u017e\u0161\u00ed ze v\u0161ech let 2015-2019 (leden-z\u00e1\u0159\u00ed) na v\u0161ech 15 stanic\u00edch! Celkov\u00fd pr\u016fm\u011br 2020 je o 24 % ni\u017e\u0161\u00ed, ne\u017e je pr\u016fm\u011br 2015-2019. Koncentrace PM<sub>10<\/sub> tedy v lednu-z\u00e1\u0159\u00ed dosahovaly pr\u016fm\u011brn\u011b pouze p\u0159ibli\u017en\u011b 75 % hodnot typick\u00fdch v obdob\u00ed 2015-2019. Nejv\u011bt\u0161\u00ed pokles byl ze sledovan\u00fdch stanic pozorov\u00e1n v Moravskoslezsk\u00e9m kraji, nap\u0159\u00edklad na stanici V\u011b\u0159\u0148ovice, stanici s dlouhodob\u011b nejvy\u0161\u0161\u00edmi koncentracemi PM<sub>10<\/sub> v\u00a0\u010cesk\u00e9 republice, byl pozorov\u00e1n pokles na p\u0159ibli\u017en\u011b 67 % pr\u016fm\u011bru 2015-2019. Naopak nejmen\u0161\u00ed pokles byl pozorov\u00e1n na stanici Plze\u0148-st\u0159ed, kde se jednalo o 85 % pr\u016fm\u011bru 2015-2019, co\u017e je v\u0161ak st\u00e1le 15% pokles.<\/p>\n<p>Jak ji\u017e bylo zm\u00edn\u011bno, pokles v roce 2020 byl zaznamen\u00e1n na v\u0161ech stanic\u00edch, a to nejen ve srovn\u00e1n\u00ed s celkov\u00fdm pr\u016fm\u011brem za roky 2015-2019, ale i v porovn\u00e1n\u00ed s pr\u016fm\u011brem za kter\u00fdkoliv rok mezi 2015 a 2019 ve shodn\u00e9m obdob\u00ed leden-z\u00e1\u0159\u00ed na dan\u00e9 stanici.<\/p>\n<p>Nap\u0159\u00edklad na poza\u010fov\u00e9, venkovsk\u00e9 stanici na observato\u0159i Ko\u0161etice byly koncentrace pouze p\u0159ibli\u017en\u011b polovi\u010dn\u00ed ve srovn\u00e1n\u00ed s\u00a0rokem 2018.<\/p>\n<p><a href=\"https:\/\/chmibrno.org\/blog\/wp-content\/uploads\/2020\/10\/2020_09_KO.png\"><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter size-full wp-image-3983\" src=\"https:\/\/chmibrno.org\/blog\/wp-content\/uploads\/2020\/10\/2020_09_KO.png\" alt=\"\" width=\"885\" height=\"435\" srcset=\"https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2020\/10\/2020_09_KO.png 885w, https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2020\/10\/2020_09_KO-300x147.png 300w, https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2020\/10\/2020_09_KO-768x377.png 768w\" sizes=\"(max-width: 885px) 100vw, 885px\" \/><\/a><\/p>\n<p>N\u00e1sleduj\u00edc\u00ed graf ukazuje pom\u011br koncentrace PM<sub>10<\/sub> v lednu a\u017e z\u00e1\u0159\u00ed 2020 ke shodn\u00e9 \u010d\u00e1sti jednotliv\u00fdch let 2015 a\u017e 2019 na vybran\u00fdch stanic\u00edch. Na grafu je vid\u011bt, \u017ee ve v\u0161ech 70 p\u0159\u00edpadech (15 stanic, 5 let) je tento pom\u011br pod 100 %, tedy je ni\u017e\u0161\u00ed.<\/p>\n<p><a href=\"https:\/\/chmibrno.org\/blog\/wp-content\/uploads\/2020\/10\/2020_09_KO2.png\"><img decoding=\"async\" class=\"aligncenter size-full wp-image-3984\" src=\"https:\/\/chmibrno.org\/blog\/wp-content\/uploads\/2020\/10\/2020_09_KO2.png\" alt=\"\" width=\"801\" height=\"449\" srcset=\"https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2020\/10\/2020_09_KO2.png 801w, https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2020\/10\/2020_09_KO2-300x168.png 300w, https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2020\/10\/2020_09_KO2-768x431.png 768w, https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2020\/10\/2020_09_KO2-240x135.png 240w\" sizes=\"(max-width: 801px) 100vw, 801px\" \/><\/a><\/p>\n<h2>Suspendovan\u00e9 \u010d\u00e1stice PM<sub>2,5<\/sub><\/h2>\n<p>Suspendovan\u00e9 \u010d\u00e1stice PM<sub>2,5<\/sub> jsou potenci\u00e1ln\u011b nebezpe\u010dn\u011bj\u0161\u00ed ne\u017e \u010d\u00e1stice PM<sub>10<\/sub> nebo\u0165 jsou men\u0161\u00ed a tedy pronikaj\u00ed hloub\u011bji do d\u00fdchac\u00edho syst\u00e9mu. Tyto \u010d\u00e1stice jsou v\u00a0\u010cR produkov\u00e1ny p\u0159edev\u0161\u00edm z\u00a0lok\u00e1ln\u00edho vyt\u00e1p\u011bn\u00ed dom\u00e1cnost\u00ed a to v\u00a0je\u0161t\u011b v\u011bt\u0161\u00edm pod\u00edlu ne\u017e u \u010d\u00e1stic PM<sub>10<\/sub>.<\/p>\n<p>Jak\u00e9 byly koncentrace PM<sub>2,5<\/sub> v\u00a0lednu a\u017e z\u00e1\u0159\u00ed 2020? Stru\u010dn\u011b \u0159e\u010deno, stejn\u011b jako v\u00a0p\u0159\u00edpad\u011b PM<sub>10<\/sub> velmi n\u00edzk\u00e9. Op\u011bt byly koncentrace PM<sub>2,5<\/sub> v\u00a0dan\u00e9m obdob\u00ed na v\u0161ech 12 hodnocen\u00fdch stanic\u00edch, pro kter\u00e9 jsou k\u00a0dispozici data, ni\u017e\u0161\u00ed ne\u017e je pr\u016fm\u011br na dan\u00e9 stanici pro danou \u010d\u00e1st roku a obdob\u00ed 2015-2019. Nav\u00edc ale stejn\u011b jako v\u00a0p\u0159\u00edpad\u011b PM<sub>10<\/sub>, jsou koncentrace v\u00a0roce 2020 ni\u017e\u0161\u00ed ne\u017e v\u00a0kter\u00e9mkoliv roce 2015-2019 na v\u0161ech hodnocen\u00fdch stanic\u00edch.<\/p>\n<p>Celkov\u011b byly koncentrace PM<sub>2,5<\/sub> na hodnocen\u00fdch stanic\u00edch o 30 % ni\u017e\u0161\u00ed, ne\u017e je pr\u016fm\u011br 2015-2019. Nejv\u011bt\u0161\u00ed rozd\u00edl byl pozorov\u00e1n op\u011bt v Moravskoslezsk\u00e9m kraji. Na stanici V\u011b\u0159\u0148ovice byly hodnoty oproti pr\u016fm\u011bru 2015-2019 o 36 % ni\u017e\u0161\u00ed. Naopak nejm\u00e9n\u011b se pokles projevil na stanici Brno-Svatoplukova (pokles o p\u0159ibli\u017en\u011b 20 %).<\/p>\n<p>Rozd\u00edl mezi rokem 2020 a pr\u016fm\u011brem 2015-2019, leden-z\u00e1\u0159\u00ed, ukazuje n\u00e1sleduj\u00edc\u00ed graf, kde jsou na ose Y vyneseny pom\u011bry pr\u016fm\u011brn\u00e9 koncentrace PM<sub>2,5<\/sub> 2020 ku pr\u016fm\u011bru koncentrac\u00ed PM<sub>2,5<\/sub> za obdob\u00ed 2015-2019, v\u00a0obdob\u00ed ledna a\u017e z\u00e1\u0159\u00ed.<\/p>\n<p><a href=\"https:\/\/chmibrno.org\/blog\/wp-content\/uploads\/2020\/10\/2020_09_KO3.png\"><img decoding=\"async\" class=\"aligncenter size-full wp-image-3985\" src=\"https:\/\/chmibrno.org\/blog\/wp-content\/uploads\/2020\/10\/2020_09_KO3.png\" alt=\"\" width=\"885\" height=\"434\" srcset=\"https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2020\/10\/2020_09_KO3.png 885w, https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2020\/10\/2020_09_KO3-300x147.png 300w, https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2020\/10\/2020_09_KO3-768x377.png 768w\" sizes=\"(max-width: 885px) 100vw, 885px\" \/><\/a><\/p>\n<p>Podobn\u011b jako v\u00a0p\u0159\u00edpad\u011b PM<sub>10<\/sub> si uk\u00e1\u017eeme je\u0161t\u011b graf, kter\u00fd ukazuje pom\u011bry mezi koncentracemi v\u00a0ka\u017ed\u00e9m jednotliv\u00e9m roce. I zde je patrn\u00e9, \u017ee ani jednou nedos\u00e1hl pom\u011br hodnoty rovn\u00e9 nebo vy\u0161\u0161\u00ed ne\u017e je 100 %, tedy byly koncentrace v\u00a0roce 2020 (leden-z\u00e1\u0159\u00ed) ni\u017e\u0161\u00ed na v\u0161ech stanic\u00edch.<\/p>\n<p><a href=\"https:\/\/chmibrno.org\/blog\/wp-content\/uploads\/2020\/10\/2020_09_KO4.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-3986\" src=\"https:\/\/chmibrno.org\/blog\/wp-content\/uploads\/2020\/10\/2020_09_KO4.png\" alt=\"\" width=\"801\" height=\"449\" srcset=\"https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2020\/10\/2020_09_KO4.png 801w, https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2020\/10\/2020_09_KO4-300x168.png 300w, https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2020\/10\/2020_09_KO4-768x431.png 768w, https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2020\/10\/2020_09_KO4-240x135.png 240w\" sizes=\"(max-width: 801px) 100vw, 801px\" \/><\/a><\/p>\n<h2>Oxidy dus\u00edku (NO<sub>x<\/sub>)<\/h2>\n<p>Jako oxidy dus\u00edku jsou v\u00a0kontextu kvality ovzdu\u0161\u00ed ozna\u010dov\u00e1ny kombinovan\u00e9 koncentrace oxidu dusnat\u00e9ho (NO) a oxidu dusi\u010dit\u00e9ho (NO<sub>2<\/sub>). Hlavn\u00edm zdrojem oxid\u016f dus\u00edku v\u00a0\u010cesk\u00e9 republice je doprava. Nejvy\u0161\u0161\u00ed koncentrace t\u00e9to zne\u010di\u0161\u0165uj\u00edc\u00ed l\u00e1tky jsou tedy pozorov\u00e1ny na nejv\u00edce dopravn\u011b zat\u00ed\u017een\u00fdch lokalit\u00e1ch.<\/p>\n<p>Z anal\u00fdzy dat o koncentrac\u00edch NO<sub>x<\/sub> v lednu a\u017e z\u00e1\u0159\u00ed let 2015 a\u017e 2020 plyne, \u017ee na v\u0161ech 15 hodnocen\u00fdch stanic\u00edch byly koncentrace v roce 2020 ni\u017e\u0161\u00ed, ne\u017e kolik \u010din\u00ed pr\u016fm\u011br 2015-2019. V pr\u016fm\u011bru je pokles p\u0159ibli\u017en\u011b 25 %. Nejmarkantn\u011bji se pokles projevil na venkovsk\u00e9 poza\u010fov\u00e9 stanici na odlehl\u00e9 observato\u0159i Ko\u0161etice (p\u0159ibli\u017en\u011b o 45 %). Naopak nejm\u00e9n\u011b na stanici \u00dast\u00ed nad Labem \u2013 Ko\u010dkov (p\u0159ibli\u017en\u011b o 8 %). Dlouhodob\u011b nejvy\u0161\u0161\u00ed jsou koncentrace dus\u00edk\u016f v \u010cesk\u00e9 republice na m\u011bstsk\u00e9 dopravn\u00ed stanici Praha-Legerova, kter\u00e1 se nach\u00e1z\u00ed u velmi ru\u0161n\u00e9 dopravn\u00ed komunikace. Zde je pr\u016fm\u011br v roce 2020 o 29 % ni\u017e\u0161\u00ed, ne\u017e je pr\u016fm\u011br pro danou stanici v toto\u017en\u00e9 \u010d\u00e1sti roku 2015-2019.<\/p>\n<p><a href=\"https:\/\/chmibrno.org\/blog\/wp-content\/uploads\/2020\/10\/2020_09_KO5.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-3987\" src=\"https:\/\/chmibrno.org\/blog\/wp-content\/uploads\/2020\/10\/2020_09_KO5.png\" alt=\"\" width=\"885\" height=\"434\" srcset=\"https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2020\/10\/2020_09_KO5.png 885w, https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2020\/10\/2020_09_KO5-300x147.png 300w, https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2020\/10\/2020_09_KO5-768x377.png 768w\" sizes=\"(max-width: 885px) 100vw, 885px\" \/><\/a><\/p>\n<p>Z 15 hodnocen\u00fdch stanic byly koncentrace NO<sub>x<\/sub> v roce 2020 (leden-z\u00e1\u0159\u00ed) nejni\u017e\u0161\u00ed ze v\u0161ech let 2015-2019 na 14 z nich. Jedinou v\u00fdjimkou je stanice \u00dast\u00ed nad Labem \u2013 Ko\u010dkov, kde byly koncentrace v roce 2020 o 2 % vy\u0161\u0161\u00ed ne\u017e v letech 2018 a 2019. I v tomto p\u0159\u00edpad\u011b je tedy rok 2020 v\u00fdjime\u010dn\u00fd a koncentrace NO<sub>x<\/sub> byly na v\u0161ech stanic\u00edch velmi n\u00edzk\u00e9.<\/p>\n<p><a href=\"https:\/\/chmibrno.org\/blog\/wp-content\/uploads\/2020\/10\/2020_09_KO6.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-3988\" src=\"https:\/\/chmibrno.org\/blog\/wp-content\/uploads\/2020\/10\/2020_09_KO6.png\" alt=\"\" width=\"801\" height=\"449\" srcset=\"https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2020\/10\/2020_09_KO6.png 801w, https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2020\/10\/2020_09_KO6-300x168.png 300w, https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2020\/10\/2020_09_KO6-768x431.png 768w, https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2020\/10\/2020_09_KO6-240x135.png 240w\" sizes=\"(max-width: 801px) 100vw, 801px\" \/><\/a><\/p>\n<h2>Oxid dusi\u010dit\u00fd (NO<sub>2<\/sub>)<\/h2>\n<p>Hlavn\u00edm zdrojem NO<sub>2<\/sub> je doprava, nen\u00ed v\u0161ak jeho zdrojem v\u00fdhradn\u00edm, na emis\u00edch NO<sub>2<\/sub> se d\u00e1le pod\u00edl\u00ed nap\u0159\u00edklad energetika a v\u00fdroba tepla \u010di lok\u00e1ln\u00ed vyt\u00e1p\u011bn\u00ed dom\u00e1cnost\u00ed. Pro tuto l\u00e1tku je v z\u00e1kon\u011b o ochran\u011b ovzdu\u0161\u00ed definov\u00e1n imisn\u00ed limit pro hodinovou (200 \u00b5g.m<sup>-3<\/sup>) i ro\u010dn\u00ed (40 \u00b5g.m<sup>-3<\/sup>) pr\u016fm\u011brnou koncentraci. NO<sub>2<\/sub> vznik\u00e1 oxidac\u00ed NO. Nejvy\u0161\u0161\u00ed koncentrace jsou stejn\u011b jako u NO<sub>x<\/sub> pozorov\u00e1ny na dopravn\u00edch stanic\u00edch.<\/p>\n<p>Z datov\u00e9 anal\u00fdzy vyplynulo, \u017ee na hodnocen\u00fdch stanic\u00edch byla pr\u016fm\u011brn\u00e1 koncentrace od ledna do z\u00e1\u0159\u00ed 2020 o v\u00edce ne\u017e 22 % ni\u017e\u0161\u00ed, ne\u017e je pr\u016fm\u011br pro toto\u017enou \u010d\u00e1st roku za roky 2015-2019. Na venkovsk\u00e9 poza\u010fov\u00e9 stanici na observato\u0159i Ko\u0161etice jsou hodnoty dokonce o t\u00e9m\u011b\u0159 50 % ni\u017e\u0161\u00ed, ne\u017e je pr\u016fm\u011br 2015-2019.<\/p>\n<p><a href=\"https:\/\/chmibrno.org\/blog\/wp-content\/uploads\/2020\/10\/2020_09_KO7.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-3989\" src=\"https:\/\/chmibrno.org\/blog\/wp-content\/uploads\/2020\/10\/2020_09_KO7.png\" alt=\"\" width=\"885\" height=\"414\" srcset=\"https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2020\/10\/2020_09_KO7.png 885w, https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2020\/10\/2020_09_KO7-300x140.png 300w, https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2020\/10\/2020_09_KO7-768x359.png 768w\" sizes=\"(max-width: 885px) 100vw, 885px\" \/><\/a><\/p>\n<p>Pokud se pod\u00edv\u00e1me na data z jednotliv\u00fdch let zjist\u00edme, \u017ee koncentrace za obdob\u00ed leden a\u017e z\u00e1\u0159\u00ed byly v roce 2020 nejni\u017e\u0161\u00ed ze v\u0161ech let 2015-2020 na 14 z 15 hodnocen\u00fdch stanic. Jedinou v\u00fdjimkou je stanice \u00dast\u00ed nad Labem-Ko\u010dkov, kde byly koncentrace NO<sub>2<\/sub> v\u00a0roce 2019 v\u00a0dan\u00e9m obdob\u00ed o 1 % vy\u0161\u0161\u00ed. Naopak v\u016fbec nejni\u017e\u0161\u00ed pom\u011br je u koncentrac\u00ed NO<sub>2<\/sub> v\u00a0Ko\u0161etic\u00edch mezi roky 2020 a 2015, kter\u00fd \u010din\u00ed jen necel\u00fdch 38 %, tedy pokles v\u00a0roce 2020 o v\u00edce ne\u017e 60 %.<\/p>\n<p><a href=\"https:\/\/chmibrno.org\/blog\/wp-content\/uploads\/2020\/10\/2020_09_KO8.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-3990\" src=\"https:\/\/chmibrno.org\/blog\/wp-content\/uploads\/2020\/10\/2020_09_KO8.png\" alt=\"\" width=\"801\" height=\"429\" srcset=\"https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2020\/10\/2020_09_KO8.png 801w, https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2020\/10\/2020_09_KO8-300x161.png 300w, https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2020\/10\/2020_09_KO8-768x411.png 768w\" sizes=\"(max-width: 801px) 100vw, 801px\" \/><\/a><\/p>\n<h2>P\u0159\u00ed\u010diny<\/h2>\n<p>Z\u00a0v\u00fd\u0161e uveden\u00fdch informac\u00ed jasn\u011b plyne, \u017ee minim\u00e1ln\u011b prvn\u00ed t\u0159i \u010dtvrtiny roku 2020 byly po str\u00e1nce koncentrac\u00ed PM<sub>10<\/sub>, PM<sub>2,5<\/sub>, NO<sub>x<\/sub> a NO<sub>2<\/sub> v\u00fdjime\u010dn\u00fd a to v pozitivn\u00edm slova smyslu. M\u00e1me tedy nakro\u010deno k roku s nejni\u017e\u0161\u00edmi koncentracemi t\u011bchto zne\u010di\u0161\u0165uj\u00edc\u00edch l\u00e1tek od za\u010d\u00e1tku m\u011b\u0159en\u00ed, nebo\u0165 pokud bychom se pod\u00edvali d\u00e1le do historie, koncentrace by byly je\u0161t\u011b vy\u0161\u0161\u00ed. P\u0159edev\u0161\u00edm u koncentrac\u00ed PM<sub>x<\/sub> pozorujeme dlouhodob\u00fd m\u00edrn\u00fd sestupn\u00fd trend.<\/p>\n<p>D\u016fle\u017eitou ot\u00e1zkou je, co je p\u0159\u00ed\u010dinou tohoto poklesu. V\u00a0podstat\u011b m\u016f\u017eeme \u0159\u00edci, \u017ee se s\u00a0nejvy\u0161\u0161\u00ed pravd\u011bpodobnost\u00ed jedn\u00e1 o t\u0159i z\u00e1kladn\u00ed faktory, pod\u00edl jednotliv\u00fdch z\u00a0nich je v\u0161ak nemo\u017en\u00e9 p\u0159esn\u011b stanovit:<\/p>\n<ul>\n<li><strong>meteorologick\u00e9 podm\u00ednky<\/strong> \u2013 vliv meteorologick\u00fdch podm\u00ednek na kvalitu ovzdu\u0161\u00ed zd\u016fraz\u0148ujeme pravideln\u011b. Vysv\u011btlen byl nap\u0159\u00edklad v\u00a0na\u0161em ned\u00e1vn\u00e9m \u010dl\u00e1nku o <a href=\"https:\/\/chmibrno.org\/blog\/2020\/08\/10\/rekordne-nizke-koncentrace-karcinogenniho-benzoapyrenu-v-unoru-2020-v-ceske-republice-a-dlouhodoby-vyvoj-koncentraci-bap-v-cr\/\" target=\"_blank\" rel=\"noopener noreferrer\">n\u00edzk\u00fdch koncentrac\u00edch benzo[<em>a<\/em>]pyrenu<\/a> na za\u010d\u00e1tku roku 2020. V\u00a0tomto \u010dl\u00e1nku jsou tak\u00e9 detailn\u011b zhodnoceny meteorologick\u00e9 podm\u00ednky na za\u010d\u00e1tku roku 2020 a jak ovlivnily kvalitu ovzdu\u0161\u00ed (v\u00fdrazn\u011b nadpr\u016fm\u011brn\u00e9 teploty vzduchu, rychlosti v\u011btru a mno\u017estv\u00ed sr\u00e1\u017eek). K\u00a0za\u010d\u00e1tku roku se p\u0159idaly i vhodn\u00e9 podm\u00ednky v\u00a0l\u00e9t\u011b 2020. To se vyzna\u010dovalo vy\u0161\u0161\u00edm mno\u017estv\u00edm sr\u00e1\u017eek, p\u0159edev\u0161\u00edm \u010derven byl sr\u00e1\u017ekov\u011b velmi nadpr\u016fm\u011brn\u00fd. P\u0159\u00edzniv\u00e9 rozptylov\u00e9 podm\u00ednky vedou k\u00a0ni\u017e\u0161\u00edm koncentrac\u00edm v\u0161ech zne\u010di\u0161\u0165uj\u00edc\u00edch l\u00e1tek, nadpr\u016fm\u011brn\u00e9 teploty zlep\u0161uj\u00ed situaci p\u0159edev\u0161\u00edm z\u00a0pohledu koncentrac\u00ed PM, kter\u00e9 jsou z\u00a0velmi v\u00fdznamn\u00e9 m\u00edry z\u00e1visl\u00e9 na intenzit\u011b vyt\u00e1p\u011bn\u00ed.<\/li>\n<li><strong>nouzov\u00fd stav<\/strong> \u2013 vliv nouzov\u00e9ho stavu na kvalitu jsme zde tak\u00e9 hodnotily velmi podrobn\u011b, nap\u0159\u00edklad <a href=\"https:\/\/chmibrno.org\/blog\/2020\/05\/17\/pokles-dopravy-a-zmena-mobility-behem-nouzoveho-stavu\/\" target=\"_blank\" rel=\"noopener noreferrer\">v\u00a0tomto \u010dl\u00e1nku<\/a>. Pokles dopravy se podepsal p\u0159edev\u0161\u00edm na sn\u00ed\u017een\u00ed koncentrac\u00ed oxid\u016f dus\u00edku.<\/li>\n<li><strong>dlouhodob\u00fd postupn\u00fd pokles emis\u00ed<\/strong> \u2013 lze p\u0159edpokl\u00e1dat, \u017ee na n\u00edzk\u00fdch koncentrac\u00edch v\u00a0roce 2020 se pod\u00edlel i postupn\u00fd pokles koncentrac\u00ed zne\u010di\u0161\u0165uj\u00edc\u00edch l\u00e1tek v\u00a0\u010cR obecn\u011b, dan\u00fd nap\u0159\u00edklad postupnou obm\u011bnou star\u00fdch kotl\u016f za nov\u00e9 (nap\u0159. d\u00edky kotl\u00edkov\u00fdm dotac\u00edm), obm\u011bnou vozov\u00e9ho parku, kdy star\u00e9 vozy nahrazuj\u00ed nov\u011bj\u0161\u00ed s\u00a0ni\u017e\u0161\u00edmi emisemi \u010di nap\u0159\u00edklad zlep\u0161uj\u00edc\u00ed se technologie sni\u017euj\u00edc\u00ed emise z\u00a0pr\u016fmyslov\u00fdch zdroj\u016f.<\/li>\n<\/ul>\n<p>M\u016f\u017eeme tedy \u0159\u00edci, \u017ee n\u00edzk\u00e9 koncentrace v prvn\u00edch 9 m\u011bs\u00edc\u00edch leto\u0161n\u00edho roku jsou \u010d\u00e1ste\u010dn\u011b d\u00edky p\u0159irodn\u00edm vliv\u016fm (meteorologick\u00e9 podm\u00ednky), \u010d\u00e1ste\u010dn\u011b d\u00edky lidsk\u00e9mu vlivu (postupn\u00e9 sni\u017eov\u00e1n\u00ed emis\u00ed) a u nouzov\u00e9ho stavu se jedn\u00e1 o kombinaci sn\u00ed\u017een\u00ed dopravy apod. je faktorem dan\u00fdm zm\u011bnou lidsk\u00e9 \u010dinnosti, av\u0161ak vyvolan\u00fdm d\u00e1 se \u0159\u00edci lidmi neovlivniteln\u00fdmi faktory).<\/p>\n<h2>Z\u00e1v\u011br<\/h2>\n<p>Z hodnocen\u00ed vypl\u00fdv\u00e1, \u017ee prvn\u00ed t\u0159i \u010dtvrtiny roku 2020 byly po str\u00e1nce kvality ovzdu\u0161\u00ed v\u00fdjime\u010dn\u00e9 a to v pozitivn\u00edm slova smyslu. Ve srovn\u00e1n\u00ed s celkov\u00fdm pr\u016fm\u011brem za roky 2015-2019 byly na hodnocen\u00fdch stanic\u00edch (r\u016fzn\u00e9ho typu od dopravn\u00edch m\u011bstsk\u00fdch a\u017e po poza\u010fov\u00e9 venkovsk\u00e9) po cel\u00e9 \u010cesk\u00e9 republice koncentrace ni\u017e\u0161\u00ed v pr\u016fm\u011bru o 24 % (PM<sub>10<\/sub>), 30 % (PM<sub>2,5<\/sub>), 24 % (NO<sub>x<\/sub>) a 21 % (NO<sub>2<\/sub>). U PM<sub>10<\/sub> a PM<sub>2,5<\/sub> byly nav\u00edc koncentrace v roce 2020 ni\u017e\u0161\u00ed i ne\u017e pr\u016fm\u011brn\u00e9 koncentrace v kter\u00e9mkoliv jednotliv\u00e9m roce mezi 2015 a 2019 na v\u0161ech hodnocen\u00fdch stanic\u00edch. U NO<sub>x<\/sub> a NO<sub>2<\/sub> tomu tak bylo u 14 z 15 stanic, pouze na jedn\u00e9 byl zaznamen\u00e1n m\u00edrn\u00fd n\u00e1r\u016fst ve srovn\u00e1n\u00ed s rokem 2018 \u010di 2019, nav\u00edc o pouh\u00e1 1-2 %. Nejv\u00edce se pokles PM<sub>x<\/sub> projevil v Moravskoslezsk\u00e9m kraji, u oxid\u016f dus\u00edku z hodnocen\u00fdch stanic nejv\u00edce na poza\u010fov\u00e9 venkovsk\u00e9 stanici Ko\u0161etice.<\/p>\n<p>Vzhledem k postupn\u00e9mu dlouhodob\u00e9mu zlep\u0161ov\u00e1n\u00ed kvality ovzdu\u0161\u00ed v \u010cR lze nav\u00edc p\u0159edpokl\u00e1dat, \u017ee pokud bychom se pod\u00edvali d\u00e1le do historie, byl by pokles v roce 2020 ve srovn\u00e1n\u00ed s p\u0159edchoz\u00edm obdob\u00edm je\u0161t\u011b markantn\u011bj\u0161\u00ed. Toto v\u0161ak nemus\u00ed platit v\u00fdhradn\u011b a na ur\u010dit\u00fdch lokalit\u00e1ch mohou b\u00fdt dlouhodob\u00e9 trendy odli\u0161n\u00e9 v z\u00e1vislosti na konkr\u00e9tn\u00edm charakteru dan\u00e9 lokality (bl\u00edzk\u00e9 zdroje a jejich typy atd).<\/p>\n<p>V\u00a0tuto chv\u00edli samoz\u0159ejm\u011b je\u0161t\u011b nem\u016f\u017eeme \u0159\u00edci, \u017ee byl rok 2020 v\u00fdjime\u010dn\u00fd jako celek. Kvalita ovzdu\u0161\u00ed je obecn\u011b nejhor\u0161\u00ed v\u00a0zimn\u00ed obdob\u00ed jak vlivem obecn\u011b hor\u0161\u00edch rozptylov\u00fdch podm\u00ednek, tak skladbou zdroj\u016f (p\u0159edev\u0161\u00edm vliv vyt\u00e1p\u011bn\u00ed). Pokud tedy budou nap\u0159\u00edklad na konci roku 2020 teplotn\u00ed inverze spojen\u00e9 s\u00a0velmi n\u00edzk\u00fdmi teplotami, nemus\u00ed b\u00fdt ro\u010dn\u00ed pr\u016fm\u011brn\u00e9 koncentrace v\u00a0kone\u010dn\u00e9m d\u016fsledku zdaleka tak p\u0159\u00edzniv\u00e9. V\u00a0tuto chv\u00edli v\u0161ak m\u00e1me nakro\u010deno k\u00a0v\u00fdjime\u010dn\u011b dobr\u00e9mu roku. Jeliko\u017e se na takto n\u00edzk\u00fdch koncentrac\u00edch hodnocen\u00fdch l\u00e1tek z\u00a0velk\u00e9 m\u00edry pod\u00edl\u00ed meteorologick\u00e9 podm\u00ednky, lze p\u0159edpokl\u00e1dat, \u017ee jsou v\u00a0obdob\u00ed leden a\u017e z\u00e1\u0159\u00ed v\u00fdjime\u010dn\u011b n\u00edzk\u00e9 i hodnoty koncentrac\u00ed n\u011bkter\u00fdch dal\u0161\u00edch zne\u010di\u0161\u0165uj\u00edc\u00edch l\u00e1tek, jako nap\u0159\u00edklad benzo[<em>a<\/em>]pyrenu, v tuto chv\u00edli v\u0161ak nem\u00e1me operativn\u00ed data o koncentrac\u00edch t\u00e9to l\u00e1tky za v\u0161ech prvn\u00edch 9 m\u011bs\u00edc\u016f k dispozici (zpracov\u00e1n\u00ed a anal\u00fdza t\u011bchto vzork\u016f je v\u00fdrazn\u011b \u010dasov\u011b n\u00e1ro\u010dn\u00e1, tak\u017ee v tuto chv\u00edli m\u00e1me k dispozici jen prvn\u00edch 6 m\u011bs\u00edc\u016f dat). Na za\u010d\u00e1tku roku v\u0161ak byly koncentrace benzo[<em>a<\/em>]pyrenu v\u00fdjime\u010dn\u011b n\u00edzk\u00e9, jak bylo pops\u00e1no <a href=\"https:\/\/chmibrno.org\/blog\/2020\/08\/10\/rekordne-nizke-koncentrace-karcinogenniho-benzoapyrenu-v-unoru-2020-v-ceske-republice-a-dlouhodoby-vyvoj-koncentraci-bap-v-cr\/\" target=\"_blank\" rel=\"noopener noreferrer\">v\u00a0p\u0159edchoz\u00edm \u010dl\u00e1nku<\/a>.<\/p>\n<h2>Hodnocen\u00e9 stanice<\/h2>\n<table style=\"width: 100%; height: 423px;\">\n<tbody>\n<tr style=\"height: 27px; background-color: #4d4d4d;\">\n<th style=\"height: 27px; width: 16.6414%;\">&nbsp;<\/p>\n<p>&nbsp;<\/th>\n<th style=\"height: 27px; width: 16.6414%;\"><span style=\"color: #ffffff;\"><strong>Typ<\/strong><\/span><\/th>\n<th style=\"height: 27px; width: 16.6414%;\"><span style=\"color: #ffffff;\"><strong>PM<sub>10<\/sub><\/strong><\/span><\/th>\n<th style=\"height: 27px; width: 16.6717%;\"><span style=\"color: #ffffff;\"><strong>PM<sub>2,5<\/sub><\/strong><\/span><\/th>\n<th style=\"height: 27px; width: 16.6717%;\"><span style=\"color: #ffffff;\"><strong>NO<sub>2<\/sub><\/strong><\/span><\/th>\n<th style=\"height: 27px; width: 16.6717%;\"><span style=\"color: #ffffff;\"><strong>NO<sub>x<\/sub><\/strong><\/span><\/th>\n<\/tr>\n<tr style=\"height: 22px;\">\n<td style=\"height: 22px; background-color: #d6d6d6; width: 16.6414%;\"><strong>Brno-Svatoplukova<\/strong><\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 22px; width: 16.6414%;\"><span style=\"color: #000000;\">m\u011bstsk\u00e1<\/span>, <span style=\"color: #ff0000;\">dopravn\u00ed<\/span><\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 22px; width: 16.6414%;\">ano<\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 22px; width: 16.6717%;\">ano<\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 22px; width: 16.6717%;\">ano<\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 22px; width: 16.6717%;\">ano<\/td>\n<\/tr>\n<tr style=\"height: 22px;\">\n<td style=\"height: 22px; background-color: #d6d6d6; width: 16.6414%;\"><strong>Brno-Tu\u0159any<\/strong><\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 22px; width: 16.6414%;\"><span style=\"color: #0000ff;\">p\u0159edm\u011bstsk\u00e1<\/span>, <span style=\"color: #339966;\">poza\u010fov\u00e1<\/span><\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 22px; width: 16.6414%;\">ano<\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 22px; width: 16.6717%;\">ano<\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 22px; width: 16.6717%;\">ano<\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 22px; width: 16.6717%;\">ano<\/td>\n<\/tr>\n<tr style=\"height: 22px;\">\n<td style=\"height: 22px; background-color: #d6d6d6; width: 16.6414%;\"><strong>Brno-\u00davoz<\/strong><\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 22px; width: 16.6414%;\">m\u011bstsk\u00e1, <span style=\"color: #ff0000;\">dopravn\u00ed<\/span><\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 22px; width: 16.6414%;\">ano<\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 22px; width: 16.6717%;\">N\/A<\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 22px; width: 16.6717%;\">ano<\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 22px; width: 16.6717%;\">ano<\/td>\n<\/tr>\n<tr style=\"height: 44px;\">\n<td style=\"height: 44px; background-color: #d6d6d6; width: 16.6414%;\"><strong>Hradec Kr\u00e1lov\u00e9 \u2013 Brn\u011bnsk\u00e1<\/strong><\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 44px; width: 16.6414%;\">m\u011bstsk\u00e1, <span style=\"color: #ff0000;\">dopravn\u00ed<\/span><\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 44px; width: 16.6414%;\">ano<\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 44px; width: 16.6717%;\">ano<\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 44px; width: 16.6717%;\">ano<\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 44px; width: 16.6717%;\">ano<\/td>\n<\/tr>\n<tr style=\"height: 22px;\">\n<td style=\"height: 22px; background-color: #d6d6d6; width: 16.6414%;\"><strong>Jesen\u00edk-l\u00e1zn\u011b<\/strong><\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 22px; width: 16.6414%;\"><span style=\"color: #ff9900;\">venkovsk\u00e1<\/span>, <span style=\"color: #339966;\">poza\u010fov\u00e1<\/span><\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 22px; width: 16.6414%;\">ano<\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 22px; width: 16.6717%;\">ne<\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 22px; width: 16.6717%;\">ano<\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 22px; width: 16.6717%;\">ano<\/td>\n<\/tr>\n<tr style=\"height: 22px;\">\n<td style=\"height: 22px; background-color: #d6d6d6; width: 16.6414%;\"><strong>Ko\u0161etice<\/strong><\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 22px; width: 16.6414%;\"><span style=\"color: #ff9900;\">venkovsk\u00e1<\/span>, <span style=\"color: #339966;\">poza\u010fov\u00e1<\/span><\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 22px; width: 16.6414%;\">ano<\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 22px; width: 16.6717%;\">ano<\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 22px; width: 16.6717%;\">ano<\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 22px; width: 16.6717%;\">ano<\/td>\n<\/tr>\n<tr style=\"height: 22px;\">\n<td style=\"height: 22px; background-color: #d6d6d6; width: 16.6414%;\"><strong>Olomouc-Hej\u010d\u00edn<\/strong><\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 22px; width: 16.6414%;\">m\u011bstsk\u00e1, <span style=\"color: #339966;\">poza\u010fov\u00e1<\/span><\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 22px; width: 16.6414%;\">ano<\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 22px; width: 16.6717%;\">ano<\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 22px; width: 16.6717%;\">ano<\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 22px; width: 16.6717%;\">ano<\/td>\n<\/tr>\n<tr style=\"height: 22px;\">\n<td style=\"height: 22px; background-color: #d6d6d6; width: 16.6414%;\"><strong>Ostrava-Poruba<\/strong><\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 22px; width: 16.6414%;\"><span style=\"color: #0000ff;\">p\u0159edm\u011bstsk\u00e1<\/span>, <span style=\"color: #339966;\">poza\u010fov\u00e1<\/span><\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 22px; width: 16.6414%;\">ano<\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 22px; width: 16.6717%;\">ne<\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 22px; width: 16.6717%;\">ano<\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 22px; width: 16.6717%;\">ano<\/td>\n<\/tr>\n<tr style=\"height: 44px;\">\n<td style=\"height: 44px; background-color: #d6d6d6; width: 16.6414%;\"><strong>Ostrava-P\u0159\u00edvoz<\/strong><\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 44px; width: 16.6414%;\">m\u011bstsk\u00e1, <span style=\"color: #33cccc;\">pr\u016fmyslov\u00e1<\/span><\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 44px; width: 16.6414%;\">ano<\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 44px; width: 16.6717%;\">ano<\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 44px; width: 16.6717%;\">ano<\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 44px; width: 16.6717%;\">ano<\/td>\n<\/tr>\n<tr style=\"height: 22px;\">\n<td style=\"height: 22px; background-color: #d6d6d6; width: 16.6414%;\"><strong>Plze\u0148-st\u0159ed<\/strong><\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 22px; width: 16.6414%;\">m\u011bstsk\u00e1, <span style=\"color: #ff0000;\">dopravn\u00ed<\/span><\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 22px; width: 16.6414%;\">ano<\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 22px; width: 16.6717%;\">ano<\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 22px; width: 16.6717%;\">ano<\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 22px; width: 16.6717%;\">ano<\/td>\n<\/tr>\n<tr style=\"height: 22px;\">\n<td style=\"height: 22px; background-color: #d6d6d6; width: 16.6414%;\"><strong>V\u011b\u0159\u0148ovice<\/strong><\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 22px; width: 16.6414%;\"><span style=\"color: #ff9900;\">venkovsk\u00e1<\/span>, <span style=\"color: #339966;\">poza\u010fov\u00e1<\/span><\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 22px; width: 16.6414%;\">ano<\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 22px; width: 16.6717%;\">ano<\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 22px; width: 16.6717%;\">ano<\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 22px; width: 16.6717%;\">ano<\/td>\n<\/tr>\n<tr style=\"height: 22px;\">\n<td style=\"height: 22px; background-color: #d6d6d6; width: 16.6414%;\"><strong>Praha-Legerova<\/strong><\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 22px; width: 16.6414%;\">m\u011bstsk\u00e1, <span style=\"color: #ff0000;\">dopravn\u00ed<\/span><\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 22px; width: 16.6414%;\">ano<\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 22px; width: 16.6717%;\">ano<\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 22px; width: 16.6717%;\">ano<\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 22px; width: 16.6717%;\">ano<\/td>\n<\/tr>\n<tr style=\"height: 22px;\">\n<td style=\"height: 22px; background-color: #d6d6d6; width: 16.6414%;\"><strong>Praha-Libu\u0161<\/strong><\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 22px; width: 16.6414%;\"><span style=\"color: #0000ff;\">p\u0159edm\u011bstsk\u00e1<\/span>, <span style=\"color: #339966;\">poza\u010fov\u00e1<\/span><\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 22px; width: 16.6414%;\">ano<\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 22px; width: 16.6717%;\">ano<\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 22px; width: 16.6717%;\">ano<\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 22px; width: 16.6717%;\">ano<\/td>\n<\/tr>\n<tr style=\"height: 44px;\">\n<td style=\"height: 44px; background-color: #d6d6d6; width: 16.6414%;\"><strong>\u00dast\u00ed nad Labem \u2013 Ko\u010dkov<\/strong><\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 44px; width: 16.6414%;\"><span style=\"color: #0000ff;\">p\u0159edm\u011bstsk\u00e1<\/span>, <span style=\"color: #339966;\">poza\u010fov\u00e1<\/span><\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 44px; width: 16.6414%;\">ano<\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 44px; width: 16.6717%;\">ano<\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 44px; width: 16.6717%;\">ano<\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 44px; width: 16.6717%;\">ano<\/td>\n<\/tr>\n<tr style=\"height: 22px;\">\n<td style=\"height: 22px; background-color: #d6d6d6; width: 16.6414%;\"><strong>Zl\u00edn<\/strong><\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 22px; width: 16.6414%;\"><span style=\"color: #0000ff;\">p\u0159edm\u011bstsk\u00e1<\/span>, <span style=\"color: #339966;\">poza\u010fov\u00e1<\/span><\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 22px; width: 16.6414%;\">ano<\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 22px; width: 16.6717%;\">ano<\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 22px; width: 16.6717%;\">ano<\/td>\n<td style=\"text-align: center; vertical-align: middle; height: 22px; width: 16.6717%;\">ano<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-size: 10pt;\"><em>N\/A &#8211; stanice tuto l\u00e1tku m\u011b\u0159\u00ed, ale v dan\u00e9m roce nen\u00ed dostate\u010dn\u00e9 mno\u017estv\u00ed dat pro hodnocen\u00ed<\/em><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>V leto\u0161n\u00edm roce m\u00e1me zat\u00edm velmi dob\u0159e nakro\u010deno k dosa\u017een\u00ed roku s nejni\u017e\u0161\u00edmi koncentracemi zne\u010di\u0161\u0165uj\u00edc\u00edch l\u00e1tek. V tomto \u010dl\u00e1nku si uk\u00e1\u017eeme, jak vypad\u00e1 situace ke konci z\u00e1\u0159\u00ed u suspendovan\u00fdch (prachov\u00fdch) \u010d\u00e1stic a oxid\u016f dus\u00edku a z\u00e1rove\u0148 pokus\u00edme vysv\u011btlit, co je p\u0159\u00ed\u010dinou. Pro \u00fa\u010dely t\u00e9to anal\u00fdzy byla pou\u017eita operativn\u00ed data o koncentrac\u00edch oxid\u016f dus\u00edku, oxidu dusi\u010dit\u00e9ho [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3980,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false},"version":2}},"categories":[5],"tags":[],"coauthors":[19],"class_list":["post-3960","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ovzdusi","entry","has-media"],"jetpack_publicize_connections":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2020\/10\/cleanAir-1.jpg","jetpack_shortlink":"https:\/\/wp.me\/pa1A1I-11S","_links":{"self":[{"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/posts\/3960","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/comments?post=3960"}],"version-history":[{"count":3,"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/posts\/3960\/revisions"}],"predecessor-version":[{"id":3972,"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/posts\/3960\/revisions\/3972"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/media\/3980"}],"wp:attachment":[{"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/media?parent=3960"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/categories?post=3960"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/tags?post=3960"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/coauthors?post=3960"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}