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Ontario

Canada

2026-04-23 15:00
AQI (UK)
Low
Pollutants
O3
μg/m³
88.3
PM10
μg/m³
25.3
PM2.5
μg/m³
5.4
NO2
μg/m³
9.8
SO2
μg/m³
1.4
Weather
  • ℃
  • ℉
0℃
87%
18 kph
3 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (UK)
  • O3
  • PM10
  • PM2.5
  • NO2
  • SO2
Places included
Algoma District
AQI 3
Brant County
AQI 1
Brantford
AQI 3
Bruce County
AQI 4
Chatham-Kent Division
AQI 4
Cochrane District
AQI 3
Dufferin County
AQI 2
Durham Regional Municipality
AQI 3
Elgin County
AQI 4
Essex County
AQI 3
Frontenac County
AQI 3
Greater Sudbury Division
AQI 3
Grey County
AQI 2
Haldimand County
AQI 2
Haliburton County
AQI 2
Halton Regional Municipality
AQI 3
Hamilton Division
AQI 3
Hastings County
AQI 3
Huron County
AQI 4
Kawartha Lakes Division
AQI 1
Kenora District
AQI 3
Lambton County
AQI 3
Lanark County
AQI 1
Leeds and Grenville United Counties
AQI 2
Lennox and Addington County
AQI 1
Manitoulin District
AQI 2
Middlesex County
AQI 3
Muskoka District Municipality
AQI 3
Niagara Regional Municipality
AQI 3
Nipissing District
AQI 3
Norfolk County
AQI 1
Northumberland County
AQI 2
Ottawa Division
AQI 3
Oxford County
AQI 1
Parry Sound District
AQI 3
Peel Regional Municipality
AQI 3
Perth County
AQI 2
Peterborough County
AQI 3
Prescott and Russell United Counties
AQI 1
Prince Edward County
AQI 1
Rainy River District
AQI 2
Renfrew County
AQI 2
Simcoe County
AQI 3
Stormont, Dundas and Glengarry United Counties
AQI 3
Sudbury District
AQI 1
Thunder Bay District
AQI 3
Timiskaming District
AQI 1
Toronto Division
AQI 3
Waterloo Regional Municipality
AQI 3
Wellington County
AQI 3
York Regional Municipality
AQI 3
Data Sources
http://www.airnow.gov/

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Cities Nearby

Hearst
AQI 1
Manitouwadge
AQI 1
Attawapiskat
AQI 1
Marathon
AQI 2
Kapuskasing
AQI 1
Moonbeam
AQI 3
Moosonee
AQI 2
Wawa
AQI 2
Cochrane
AQI 1
Timmins
AQI 1
Thunder Bay
AQI 3