{"id":"aqhi-observations-realtime","title":"CAS - Observations","description":"La cote air sant\u00e9 (CAS) est une \u00e9chelle con\u00e7ue pour quantifier la qualit\u00e9 de l'air dans une r\u00e9gion donn\u00e9e, sur une \u00e9chelle de 1 \u00e0 10. La cote 10+ indique que la pollution de l'air est tr\u00e8s \u00e9lev\u00e9e. La cote air sant\u00e9 comprend \u00e9galement une cat\u00e9gorie d\u00e9crivant le risque pour la sant\u00e9 correspondant au nombre indiqu\u00e9 (risque faible, mod\u00e9r\u00e9, \u00e9lev\u00e9 ou tr\u00e8s \u00e9lev\u00e9) . La cote air sant\u00e9 est calcul\u00e9e en fonction des risques relatifs que repr\u00e9sente une combinaison de polluants atmosph\u00e9riques courants connus pour leurs effets n\u00e9fastes sur la sant\u00e9 humaine, tels que l'ozone troposph\u00e9rique, les mati\u00e8res particulaires et le dioxyde d'azote. La formulation de la cote air sant\u00e9 rend uniquement compte du risque pour la sant\u00e9 aigu ou \u00e0 court terme (Exposition en heures ou en jours au maximum) . Cette formulation pourrait changer avec le temps, pour rendre compte d'une nouvelle compr\u00e9hension des effets de la pollution atmosph\u00e9rique sur la sant\u00e9. La cote air sant\u00e9 est calcul\u00e9e \u00e0 partir de donn\u00e9es observ\u00e9es en temps r\u00e9el, sans v\u00e9rification (contr\u00f4le de la qualit\u00e9).","keywords":["air","qualit\u00e9","sant\u00e9","cote","temps r\u00e9el","observations"],"links":[{"type":"text/html","rel":"canonical","title":"Donn\u00e9es et produits d'observations et pr\u00e9visions qui sont g\u00e9n\u00e9r\u00e9s pour le programme Cote Air Sant\u00e9 (CAS)","href":"https://eccc-msc.github.io/open-data/msc-data/aqhi/readme_aqhi_fr/","hreflang":"fr-CA"},{"type":"application/json","rel":"root","title":"The landing page of this server as JSON","href":"https://api.weather.gc.ca?f=json"},{"type":"text/html","rel":"root","title":"The landing page of this server as HTML","href":"https://api.weather.gc.ca?f=html"},{"type":"application/json","rel":"self","title":"This document as JSON","href":"https://api.weather.gc.ca/collections/aqhi-observations-realtime?f=json"},{"type":"application/ld+json","rel":"alternate","title":"This document as RDF (JSON-LD)","href":"https://api.weather.gc.ca/collections/aqhi-observations-realtime?f=jsonld"},{"type":"text/html","rel":"alternate","title":"This document as HTML","href":"https://api.weather.gc.ca/collections/aqhi-observations-realtime?f=html"},{"type":"application/schema+json","rel":"http://www.opengis.net/def/rel/ogc/1.0/schema","title":"Schema of collection in JSON","href":"https://api.weather.gc.ca/collections/aqhi-observations-realtime/schema?f=json"},{"type":"text/html","rel":"http://www.opengis.net/def/rel/ogc/1.0/schema","title":"Schema of collection in HTML","href":"https://api.weather.gc.ca/collections/aqhi-observations-realtime/schema?f=html"},{"type":"application/schema+json","rel":"http://www.opengis.net/def/rel/ogc/1.0/queryables","title":"Queryables for this collection as JSON","href":"https://api.weather.gc.ca/collections/aqhi-observations-realtime/queryables?f=json"},{"type":"text/html","rel":"http://www.opengis.net/def/rel/ogc/1.0/queryables","title":"Queryables for this collection as HTML","href":"https://api.weather.gc.ca/collections/aqhi-observations-realtime/queryables?f=html"},{"type":"application/geo+json","rel":"items","title":"Items as GeoJSON","href":"https://api.weather.gc.ca/collections/aqhi-observations-realtime/items?f=json"},{"type":"application/ld+json","rel":"items","title":"Items as RDF (GeoJSON-LD)","href":"https://api.weather.gc.ca/collections/aqhi-observations-realtime/items?f=jsonld"},{"type":"text/html","rel":"items","title":"Items as HTML","href":"https://api.weather.gc.ca/collections/aqhi-observations-realtime/items?f=html"}],"extent":{"spatial":{"bbox":[[-141,41.68,-52.62,83.11]],"crs":"http://www.opengis.net/def/crs/OGC/1.3/CRS84"},"temporal":{"interval":[["2013-01-01T00:00:00+00:00",null]]}},"itemType":"feature","crs":["http://www.opengis.net/def/crs/OGC/1.3/CRS84"],"storageCRS":"http://www.opengis.net/def/crs/OGC/1.3/CRS84"}