Waterloo Air Quality
Current air-quality information for Waterloo, Canada.
Air quality is generally considered satisfactory.
World Air Quality Index Project (WAQI) · Updated 2026-10-15T14:00:00-05:00Health context
At the current AQI of 15, Waterloo is in the Good category on the displayed AQI scale. Most people can continue normal outdoor activities. Current pollutant values shown for Waterloo are PM2.5 13 µg/m³, O₃ 15.2 µg/m³, NO₂ 3.2 µg/m³. The current reading is identified on this page as World Air Quality Index Project (WAQI).
Air-quality information is not medical advice. People with asthma, heart or lung disease, children, older adults and other sensitive groups may need to take additional precautions when pollution is elevated.
Recent History & Forecast
This chart shows atmospheric-model AQI history and forecast from Open-Meteo / Copernicus Atmosphere Monitoring Service (CAMS) model. It is separate from any monitoring-station observation shown in the Current AQI card.
What does AQI 15 mean in Waterloo?
Waterloo currently has an AQI of 15, which falls in the Good category. This indicates relatively low overall air pollution on the displayed AQI scale. Normal outdoor activity is generally appropriate for most people. The pollutant values currently shown for Waterloo are PM2.5 13 µg/m³, O₃ 15.2 µg/m³, NO₂ 3.2 µg/m³. The displayed current conditions are identified as World Air Quality Index Project (WAQI).
Nearby cities
- Kitchener air quality — approximately 5 km away
- Cambridge air quality — approximately 20 km away
- Guelph air quality — approximately 23 km away
- Brantford air quality — approximately 42 km away
- Milton air quality — approximately 51 km away
- Burlington air quality — approximately 56 km away
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