Description

The City of Montreal's Air Quality Monitoring Network (RSQA) measures air quality in the form of a numerical value called the “Air Quality Index (AQI).” This data set provides access to daily AQI values, updated every hour, approximately 10 minutes after the hour. For example, the 13:00 data is available around 13:10, for all three resources. ***Note: ** the AQI systems do not change the time: they always use Eastern Standard Time (EST) and not Eastern Daylight Time (EDT). So in the example above, around 13:10 EDT, the most recent data available will be from 12:00 EST. * Historical values, updated daily, are available [here] (rsqa-iqa-historical). The [list of stations] (rsqa-liste-des-stations) and [sectors] (rsqa-geographic-sectors) linked to RSQA data is also available.

Resources

Name	Format	Description	Link
Data visualization	HTML		https://carte-qualite-air.montreal.ca/
AQI per station in real time (Daily)	CSV		https://donnees.montreal.ca/dataset/3e9f7b96-3f25-4404-a5ad-22d9a31060e6/resource/6554355e-63d1-4a01-a268-91e0763c3606/download/iqa-by-station.csv
Detailed AQI per station in real time (Daily)	CSV		https://donnees.montreal.ca/dataset/3e9f7b96-3f25-4404-a5ad-22d9a31060e6/resource/f4eca3bf-5ded-4d3c-a8dc-ed42486498f3/download/iqa-by-station-details.csv
Original metadata (https://www.donneesquebec.ca)	HTML		https://www.donneesquebec.ca/recherche/fr/dataset/3e9f7b96-3f25-4404-a5ad-22d9a31060e6

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