{"id":499,"date":"2020-03-09T16:24:22","date_gmt":"2020-03-09T14:24:22","guid":{"rendered":"https:\/\/vieagrenoble.fr\/?p=499"},"modified":"2020-03-09T16:24:22","modified_gmt":"2020-03-09T14:24:22","slug":"observatoire-qualite-de-lair-mars-2020","status":"publish","type":"post","link":"https:\/\/vieagrenoble.fr\/index.php\/2020\/03\/09\/observatoire-qualite-de-lair-mars-2020\/","title":{"rendered":"Observatoire qualit\u00e9 de l\u2019air \u2013 Mars 2020"},"content":{"rendered":"

Toutes les donn\u00e9es proviennent d’Air AURA<\/a> en Open Data. Vous pouvez d’ailleurs v\u00e9rifier les graphiques et utiliser les donn\u00e9es avec ce tableur partag\u00e9<\/a> pour vos propres analyses.<\/p>\n

Ci-dessous la synth\u00e8se pour le mois de f\u00e9vrier 2020 pour les 3 stations qu’on observe depuis mai 2017<\/a>.<\/p>\n\n\n

\"Mars<\/figure><\/div>\n\n\n\n

Avec un mois de f\u00e9vrier particuli\u00e8rement perturb\u00e9 en m\u00e9t\u00e9o, aucune surprise sur la baisse de toutes les mesures par rapport \u00e0 janvier qui a \u00e9t\u00e9 sec et avec une alerte aux particules fines.<\/p>\n\n\n\n

Par rapport \u00e0 l’an pass\u00e9 et la moyenne sur 10 ans, on est encore en dessous avec la continuelle am\u00e9lioration de la qualit\u00e9 de l’air dans la m\u00e9tropole grenobloise, contrairement \u00e0 ce que raconte quelques candidats aux \u00e9lections municipales 😉<\/p>\n\n\n\n

F\u00e9vrier 2020 est la 2\u00e8me mesure la plus basse depuis 2007 pour le NO2<\/sub> sur les grands boulevards et la mesure la plus basse pour la station rocade sud.<\/p>\n\n\n\n

\"Grd<\/figure><\/div>\n\n\n\n
\"Rocade<\/figure><\/div>\n\n\n\n

Du c\u00f4t\u00e9 des particules fines 2,5, 2019 est d’ailleurs l’ann\u00e9e la plus basse jamais mesur\u00e9e sur les deux stations qui peuvent mesurer ce polluant. On est tr\u00e8s en dessous du seuil de la norme europ\u00e9enne<\/a> qui passe de 25 \u00e0 20\u00b5g\/m\u00b3 cette ann\u00e9e. Par contre, on est encore au-dessus de la recommendation annuelle OMS. Mais si la baisse continue ainsi, on devrait pouvoir \u00eatre sous les 10\u00b5g\/m\u00b3 cette ann\u00e9e… A suivre !<\/p>\n\n\n\n

\"PM2,5<\/figure><\/div>\n\n\n\n

On continue bien d’observer une am\u00e9lioration au fil des ans. Comme d\u00e9j\u00e0 mentionn\u00e9, c’est explicable par les r\u00e9glementations plus contraignantes, les entreprises qui se mettent aux normes, les am\u00e9liorations technologiques des v\u00e9hicules et chauffages, l’\u00e9volution de nos habitudes de consommation et le changement de nos habitudes de d\u00e9placements ! Ceci est bien confirm\u00e9 par le rapport Bilan Qualit\u00e9 de l’Air 2018<\/a> et l’Evaluation quantitative du PPA de la r\u00e9gion grenobloise<\/a>, d\u00e9cembre 2019, publi\u00e9 par Air ATMO AURA.<\/p>\n\n\n\n

\"\"<\/figure><\/div>\n\n\n\n
\"\"<\/figure><\/div>\n\n\n\n

Il reste beaucoup \u00e0 faire c\u00f4t\u00e9 NO2<\/sub> en d\u00e9passement tr\u00e8s souvent et c\u00f4t\u00e9 PM2,5 au dessus de la recommendation OMS pour les urbains \u00e0 Grenoble. Pour tous, l’ozone est le polluant le plus en hausse, directement li\u00e9 au rayonnement solaire et \u00e9t\u00e9s chauds. Enfin, Grenoble n’est pas la m\u00e9tropole la plus pollu\u00e9e en Rh\u00f4ne-Alpes, Lyon et la vall\u00e9e de l’Arve sont bien plus souvent en alerte que notre territoire.<\/p>\n\n\n\n

\"\"<\/figure><\/div>\n","protected":false},"excerpt":{"rendered":"

Toutes les donn\u00e9es proviennent d’Air AURA en Open Data. Vous pouvez d’ailleurs v\u00e9rifier les graphiques et utiliser les donn\u00e9es avec ce tableur partag\u00e9 pour vos propres analyses. Ci-dessous la synth\u00e8se pour le mois de f\u00e9vrier[…]<\/p>\n","protected":false},"author":2,"featured_media":506,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":""},"categories":[24],"tags":[25,23],"class_list":["post-499","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-qualite-de-lair","tag-observatoire","tag-qualite-de-lair"],"yoast_head":"\nObservatoire qualit\u00e9 de l\u2019air \u2013 Mars 2020 - Vie \u00e0 Grenoble<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/vieagrenoble.fr\/index.php\/2020\/03\/09\/observatoire-qualite-de-lair-mars-2020\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Observatoire qualit\u00e9 de l\u2019air \u2013 Mars 2020 - Vie \u00e0 Grenoble\" \/>\n<meta property=\"og:description\" content=\"Toutes les donn\u00e9es proviennent d’Air AURA en Open Data. 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