View ECCC Data Mart (English) (English, HTML)

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Publisher-reported update

2026-05-25

This data collection contains air concentration data (in both gas and particle phases) of anthropogenic organic pollutants in air (AOPA). Some of the AOPAs in air reported in this data collection, are considered toxic substances (e.g. polychlorinated biphenyls, PCBs; polycyclic aromatic hydrocarbons, PAHs; some flame retardants; and some organochlorine pesticides, OCs). These data come from monitoring sites in Canada. For additional data on anthropogenic organic pollutants, also see the data collection of Anthropogenic Organic Pollutants in Precipitation. For additional data on pollutants in air, also see the data collection of Particulate Metals. Supplemental Information Supporting Projects: Canadian National Atmospheric Chemistry Database and Analysis System (NAtChem)

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