{"id":3393,"date":"2020-03-28T11:30:30","date_gmt":"2020-03-28T10:30:30","guid":{"rendered":"https:\/\/www.enviblog.cz\/blog\/?p=3393"},"modified":"2020-03-28T18:15:16","modified_gmt":"2020-03-28T17:15:16","slug":"zhorsena-kvalita-ovzdusi-na-uzemi-cr","status":"publish","type":"post","link":"https:\/\/www.enviblog.cz\/blog\/2020\/03\/28\/zhorsena-kvalita-ovzdusi-na-uzemi-cr\/","title":{"rendered":"Zhor\u0161en\u00e1 kvalita ovzdu\u0161\u00ed na \u00fazem\u00ed \u010cR"},"content":{"rendered":"

A\u010dkoliv to na prvn\u00ed pohled nen\u00ed zn\u00e1t a venku na v\u011bt\u0161in\u011b \u00fazem\u00ed sv\u00edt\u00ed slun\u00ed\u010dko, koncentrace prachov\u00fdch \u010d\u00e1stic byly a \u010d\u00e1ste\u010dn\u011b jsou na cel\u00e9m \u00fazem\u00ed zv\u00fd\u0161en\u00e9.<\/strong><\/em><\/p>\n

V ned\u00e1vn\u00e9m \u010dl\u00e1nku<\/a> jsme popisovali, \u017ee interpretovat vliv sou\u010dasn\u00fdch karant\u00e9nn\u00edch opat\u0159en\u00ed na kvalitu ovzdu\u0161\u00ed je problematick\u00e9 a jedn\u00edm z d\u016fvod\u016f je fakt, \u017ee kvalitu ovzdu\u0161\u00ed ve velk\u00e9 m\u00ed\u0159e ovliv\u0148uj\u00ed meteorologick\u00e9 podm\u00ednky. Posledn\u00ed dny jsou tohoto n\u00e1zorn\u00fdm p\u0159\u00edkladem. Koncentrace p\u0159edev\u0161\u00edm prachov\u00fdch \u010d\u00e1stic PM10<\/sub> byly na cel\u00e9m \u00fazem\u00ed zv\u00fd\u0161en\u00e9. Na vin\u011b v\u0161ak nebyla doprava, pr\u016fmysl ani vyt\u00e1p\u011bn\u00ed, ale proud\u011bn\u00ed nad \u010ceskou republikou.<\/p>\n

Co zap\u0159\u00ed\u010dinilo vysok\u00e9 koncentrace prachu takto plo\u0161n\u011b? Do \u010cesk\u00e9 republiky proudil v\u00edtr od Kaspick\u00e9ho mo\u0159e, kde se mj. nach\u00e1z\u00ed i pou\u0161\u0165 Karakum (Turkmenist\u00e1n). Vy\u0161\u0161\u00ed rychlosti v\u011btru v t\u00e9to oblasti vedly ke vznosu velk\u00e9ho mno\u017estv\u00ed prachov\u00fdch \u010d\u00e1stic, kter\u00e9 se dostaly a\u017e na na\u0161e \u00fazem\u00ed. Nejedn\u00e1 se tedy o p\u00edsek ze Sahary, ale z jin\u00e9 pou\u0161t\u011b a jin\u00fdch oblast\u00ed. Je\u0161t\u011b hor\u0161\u00ed je situace v zem\u00edch na jihov\u00fdchod od \u010cesk\u00e9 republiky.<\/p>\n

N\u00e1sleduj\u00edc\u00ed grafy ukazuj\u00ed hodinov\u00e9 koncentrace prachov\u00fdch \u010d\u00e1stic PM10<\/sub> na vybran\u00fdch stanic\u00edch v minul\u00e9 dny (operativn\u00ed data \u010cHM\u00da).<\/p>\n

Nejprve se pod\u00edvejme na data z observato\u0159e Ko\u0161etice, stanice um\u00edst\u011bn\u00e9 na odlehl\u00e9m m\u00edst\u011b, kde tedy nejsou \u017e\u00e1dn\u00e9 v\u00fdznamn\u00e9 zdroje v bezprost\u0159edn\u00edm okol\u00ed a kde jsou koncentrace prachov\u00fdch \u010d\u00e1stic dlouhodob\u011b jedny z nejni\u017e\u0161\u00edch ze v\u0161ech stanic v \u010cesk\u00e9 republice.<\/p>\n

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Na grafu je jasn\u011b patrn\u00e9 v\u00fdrazn\u00e9 zv\u00fd\u0161en\u00ed koncentrac\u00ed 27. 3. Podobn\u011b vypadaj\u00ed i grafy ze stanic v Brn\u011b a Praze.<\/p>\n

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Vy\u0161\u0161\u00ed m\u00edru zne\u010di\u0161t\u011bn\u00ed plo\u0161n\u011b ukazuje i n\u00e1sleduj\u00edc\u00ed mapa pr\u016fm\u011brn\u00e9 denn\u00ed koncentrace PM10<\/sub>.<\/p>\n

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N\u00e1sleduj\u00edc\u00ed heatmapa tak\u00e9 dob\u0159e ilustruje n\u00e1r\u016fst na stanic\u00edch. Jedn\u00e1 se o agregaci z celkem 20 stanic v Brn\u011b, Praze, Ostrav\u011b, Plzni a Ko\u0161etic\u00edch. \u010c\u00edm v\u00edce je zbarven\u00ed do modra, t\u00edm je koncentrace ni\u017e\u0161\u00ed, \u010d\u00edm v\u00edce je zbarven\u00ed do \u010dervena, t\u00edm je vy\u0161\u0161\u00ed. Zleva doprava se pak posunujeme v \u010dase od 22. 3. a\u017e do dopoledn\u00edch hodin 28. 3. Ka\u017ed\u00e9 pol\u00ed\u010dko p\u0159edstavuje jednu hodinu. C\u00edlem t\u00e9to vizualizace nen\u00ed uk\u00e1zat konkr\u00e9tn\u00ed koncentraci na konkr\u00e9tn\u00ed stanici, ale v\u00fdvoj na t\u011bchto stanic\u00edch, kter\u00fd je na prvn\u00ed pohled velmi podobn\u00fd, nez\u00e1visle na tom, zda se jedn\u00e1 o dopravn\u00ed \u010di poza\u010fovou stanici a ve kter\u00e9m m\u011bst\u011b \u010di oblasti. V\u0161echny hodnoty napravo jsou vy\u0161\u0161\u00ed ne\u017e ty nalevo.<\/p>\n

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Heatmapa koncentrac\u00ed PM10 na r\u016fzn\u00fdch stanic\u00edch v Praze, Brn\u011b, Ostrav\u011b, Plzni a Ko\u0161etic\u00edch. Osa X zn\u00e1rzor\u0148uje \u010das od 22. 3. do 28. 3., \u010derven\u00e9 odst\u00edny zna\u010d\u00ed vy\u0161\u0161\u00ed koncentrace, modr\u00e9 ni\u017e\u0161\u00ed. Ka\u017ed\u00fd obd\u00e9ln\u00edk koresponduje jedn\u00e9 hodin\u011b. Je vid\u011bt zv\u00fd\u0161en\u00ed koncentrace na v\u0161ech stanic\u00edch, poza\u010fov\u00fdch i dopravn\u00edch.<\/em><\/figcaption><\/figure>\n

Jak tedy vid\u00edme, vliv meteorologick\u00fdch podm\u00ednek je velmi v\u00fdznamn\u00fd a m\u016f\u017ee naprosto z\u00e1sadn\u011b ovlivnit kvalitu ovzdu\u0161\u00ed. Nez\u00e1le\u017e\u00ed pouze na zdroj\u00edch v bezprost\u0159edn\u00edm okol\u00ed, a co se d\u011bje mimo na\u0161e \u00fazem\u00ed m\u016f\u017ee kvalitu ovzdu\u0161\u00ed v \u010cesk\u00e9 republice v\u00fdznamn\u011b ovlivnit.<\/p>\n

Aktu\u00e1ln\u00ed hodinov\u00e9 koncentrace suspendovan\u00fdch \u010d\u00e1stic v \u010cesk\u00e9 republice m\u016f\u017eete sledovat zde<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"

A\u010dkoliv to na prvn\u00ed pohled nen\u00ed zn\u00e1t a venku na v\u011bt\u0161in\u011b \u00fazem\u00ed sv\u00edt\u00ed slun\u00ed\u010dko, koncentrace prachov\u00fdch \u010d\u00e1stic byly a \u010d\u00e1ste\u010dn\u011b jsou na cel\u00e9m \u00fazem\u00ed zv\u00fd\u0161en\u00e9. V ned\u00e1vn\u00e9m \u010dl\u00e1nku jsme popisovali, \u017ee interpretovat vliv sou\u010dasn\u00fdch karant\u00e9nn\u00edch opat\u0159en\u00ed na kvalitu ovzdu\u0161\u00ed je problematick\u00e9 a jedn\u00edm z d\u016fvod\u016f je fakt, \u017ee kvalitu ovzdu\u0161\u00ed ve velk\u00e9 m\u00ed\u0159e ovliv\u0148uj\u00ed meteorologick\u00e9 […]<\/p>\n","protected":false},"author":1,"featured_media":3395,"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":[176,82],"coauthors":[19],"class_list":["post-3393","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ovzdusi","tag-pisek","tag-pm10","entry","has-media"],"jetpack_publicize_connections":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/www.enviblog.cz\/blog\/wp-content\/uploads\/2020\/03\/27032020.jpg","jetpack_shortlink":"https:\/\/wp.me\/pa1A1I-SJ","_links":{"self":[{"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/posts\/3393","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=3393"}],"version-history":[{"count":7,"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/posts\/3393\/revisions"}],"predecessor-version":[{"id":3410,"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/posts\/3393\/revisions\/3410"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/media\/3395"}],"wp:attachment":[{"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/media?parent=3393"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/categories?post=3393"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/tags?post=3393"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/www.enviblog.cz\/blog\/wp-json\/wp\/v2\/coauthors?post=3393"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}