1. North America
  2. Canada
  3. Ontario

Ontario

Canada

2025-12-20 18:00
AQC (Australia)
Good
Pollutants
O3
μg/m³
58.7
PM10
μg/m³
21.5
PM2.5
μg/m³
5.3
NO2
μg/m³
7.8
CO
μg/m³
0
SO2
μg/m³
0
Weather
  • ℃
  • ℉
-13℃
94%
14 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQC (Australia)
  • O3
  • PM10
  • PM2.5
  • NO2
  • CO
  • SO2
Places included
Algoma District
AQI
Brant County
AQI
Brantford
AQI
Bruce County
AQI
Chatham-Kent Division
AQI
Cochrane District
AQI
Dufferin County
AQI
Durham Regional Municipality
AQI
Elgin County
AQI
Essex County
AQI
Frontenac County
AQI
Greater Sudbury Division
AQI
Grey County
AQI
Haldimand County
AQI
Haliburton County
AQI
Halton Regional Municipality
AQI
Hamilton Division
AQI
Hastings County
AQI
Huron County
AQI
Kawartha Lakes Division
AQI
Kenora District
AQI
Lambton County
AQI
Lanark County
AQI
Leeds and Grenville United Counties
AQI
Lennox and Addington County
AQI
Manitoulin District
AQI
Middlesex County
AQI
Muskoka District Municipality
AQI
Niagara Regional Municipality
AQI
Nipissing District
AQI
Norfolk County
AQI
Northumberland County
AQI
Ottawa Division
AQI
Oxford County
AQI
Parry Sound District
AQI
Peel Regional Municipality
AQI
Perth County
AQI
Peterborough County
AQI
Prescott and Russell United Counties
AQI
Prince Edward County
AQI
Rainy River District
AQI
Renfrew County
AQI
Simcoe County
AQI
Stormont, Dundas and Glengarry United Counties
AQI
Sudbury District
AQI
Thunder Bay District
AQI
Timiskaming District
AQI
Toronto Division
AQI
Waterloo Regional Municipality
AQI
Wellington County
AQI
York Regional Municipality
AQI
Data Sources
http://www.airnow.gov/

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