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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.

The 2019-2025 Quebec Drinking Water Economy Strategy (the Strategy) includes more comprehensive tools to provide a better picture of the use of drinking water and the cost of water services. New indicators and personalized objectives have been introduced to take into account the specific...

Statistics on adults receiving last-resort financial assistance programs.

List of female names for children eligible for family benefits since 1980, including newborn babies living in Quebec or having immigrated to Quebec. The bank is updated once a year in spring with data from the previous year.

The 2023 mapping of potential wetlands in Quebec (CMHPQ) 2023, released by the Directorate of Ecological Knowledge (DCE), provides up-to-date information on the potential presence of wetlands for the entire province of Quebec. In particular, version 2023 contains the classification of potentially...

As part of measure 2.6 of the 2013-2020 Climate Change Action Plan, the MELCC financed two projects specific to the St. Lawrence river section and aimed at supporting municipalities facing the risks of erosion and flooding. The team from the Marine Geosciences Laboratory of the Department of...

Data from the RUISSO program, bacteriological and physicochemical quality of streams and inland water bodies in the Montreal agglomeration, from the Aquatic Environment Monitoring Network. An [interactive map] (https://experience.arcgis.com/experience/38d7c7bb43da4e2082aa836689d0d318/) is also...

This theme presents the trophic status of lakes monitored as part of the Voluntary Lake Monitoring Network (RSVL) between 2004 and 2020. The trophic state is the result of the compilation of data acquired as part of this network. Trophic levels are used to classify lakes according to their degree...

Note that topographic maps at a scale of 1/100,000 are no longer updated. For the latest update date, see the [metadata] (ftp://transfert.mern.gouv.qc.ca/public/diffusion/RGQ/Documentation/BDAT/Metadonnees_BDAT100k_NordSud.xls). The reference cartographic data is now constituted according to a...

This layer shows the location of the sampled stations classified according to the Eastern Canada Diatom Index (IDEC). It contains data obtained since 1935 that was converted to version 3 of the index (Lavoie et al. 2014). Benthic diatoms are microscopic unicellular algae that line the bottom of...