1. North America
  2. Canada
  3. Ontario

Ontario

Canada

2026-05-27 17:00
AQI (India)
Satisfactory
Pollutants
O3
μg/m³
89.4
PM10
μg/m³
23.3
NO2
μg/m³
6.4
PM2.5
μg/m³
3.9
SO2
μg/m³
2
CO
μg/m³
0
Weather
  • ℃
  • ℉
17℃
44%
18 kph
4 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • O3
  • PM10
  • NO2
  • PM2.5
  • SO2
  • CO
Places included
Algoma District
AQI 87
Brant County
AQI 10
Brantford
AQI 111
Bruce County
AQI 69
Chatham-Kent Division
AQI 102
Cochrane District
AQI 65
Dufferin County
AQI 44
Durham Regional Municipality
AQI 99
Elgin County
AQI 120
Essex County
AQI 100
Frontenac County
AQI 78
Greater Sudbury Division
AQI 82
Grey County
AQI 4
Haldimand County
AQI 59
Haliburton County
AQI 46
Halton Regional Municipality
AQI 100
Hamilton Division
AQI 99
Hastings County
AQI 86
Huron County
AQI 97
Kawartha Lakes Division
AQI 5
Kenora District
AQI 75
Lambton County
AQI 95
Lanark County
AQI 2
Leeds and Grenville United Counties
AQI 3
Lennox and Addington County
AQI 5
Manitoulin District
AQI 6
Middlesex County
AQI 108
Muskoka District Municipality
AQI 84
Niagara Regional Municipality
AQI 99
Nipissing District
AQI 80
Norfolk County
AQI 10
Northumberland County
AQI 11
Ottawa Division
AQI 80
Oxford County
AQI 9
Parry Sound District
AQI 80
Peel Regional Municipality
AQI 98
Perth County
AQI 57
Peterborough County
AQI 78
Prescott and Russell United Counties
AQI 1
Prince Edward County
AQI 7
Rainy River District
AQI 5
Renfrew County
AQI 4
Simcoe County
AQI 93
Stormont, Dundas and Glengarry United Counties
AQI 82
Sudbury District
AQI 6
Thunder Bay District
AQI 5
Timiskaming District
AQI 5
Toronto Division
AQI 89
Waterloo Regional Municipality
AQI 97
Wellington County
AQI 95
York Regional Municipality
AQI 82
Data Sources
http://www.airnow.gov/

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Cities Nearby

Hearst
AQI 4
Manitouwadge
AQI 2
Attawapiskat
AQI 13
Marathon
AQI 4
Kapuskasing
AQI 2
Moonbeam
AQI 65
Moosonee
AQI 7
Wawa
AQI 51
Cochrane
AQI 6
Timmins
AQI 7
Thunder Bay
AQI 3