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  4. Waterloo Regional Municipality
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Waterloo

Waterloo, Waterloo Regional Municipality

2026-07-21 12:00
AQI (US)
Moderate
Pollutants
PM2.5
μg/m³
27
Weather
  • ℃
  • ℉
22℃
93%
3 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • PM2.5
Data Sources
http://www.airnow.gov/

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