Air quality and health
Indoor and outdoor air contaminants, Air Quality Health Index, health effects of air pollution, indoor air quality, wildfire smoke and your health.
Services and information
Indoor and outdoor air contaminants, asbestos, carbon monoxide, mould, nitrogen dioxide, wood smoke, ozone, volatile organic compounds, fine particulate matter.
Local conditions, determine risk, improve air quality, calculate the index, videos and publications.
Improve indoor air quality, causes of poor indoor air quality, residential indoor air quality guidelines.
Health risks and impacts, symptoms and populations at risk, road traffic and smog.
Information on radon, its potential health risks and how to test for it in your home.
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