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A [network of measurement stations located on the Island of Montreal] (http://donnees.montreal.ca/dataset/rsqa-liste-des-stations) allows the continuous determination of the atmospheric concentration of several pollutants. The data collected is transmitted by telemetry. The available values...

History of annual air quality reports in Montreal. The Air Quality Monitoring Network (RSQA) measures the concentrations of pollutants in ambient air in order to draw up an overview of the situation in the Montréal agglomeration.

As part of special projects, the Air Quality Monitoring Network (RSQA) measures pollutant concentrations at temporary stations in order to deepen our knowledge of ambient air quality. The table shows the operating rates (%) of analyzers at temporary stations for a period of 6 months (shown in...

The City of Montreal 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 50 minutes after the hour. For example, the 13:00 data is available around 13:50, for all three...

The Plan of Land Use and Development of the Agglomération de Montréal indicates a target aimed at increasing the protected land area to 10%. This objective is reiterated in the 2020-2030 Climate Plan and the Nature and Sports Plan as part of the Montréal 2030 strategic plan. In 2023, the...

Under the regulation on municipal wastewater treatment works (ROMAEU) of the Ministry of Sustainable Development, Environment and the Fight against Climate Change (MDDELCC), an operator of municipal wastewater treatment works (OMAE) must list all the overflows that occur at his structure and...

Information on active animal permits on the territory of the City of Laval

The City of Montreal measures air quality in the form of a numerical value called the “Air Quality Index (AQI).” This data set provides access to historical AQI values, updated daily. Note: The AQI systems don't change the time: they always use Eastern Standard Time (EST) and not Eastern Daylight...

This data set contains reports of environmentally harmful events submitted to the Environmental Department.

Atmospheric concentrations of metal pollutants sampled on the island of Montreal. This program is part of the activities of the Air Quality Monitoring Network (RSQA) and improves the monitoring of the presence of [gaseous air pollutants] (. /rsqa-gas-pollutant). The set shows the metal...