1. North America
  2. Canada
  3. Ontario

Ontario

Canada

2026-09-25 22:00
AQI (India)
Satisfactory
Pollutants
O3
μg/m³
70.3
PM10
μg/m³
13.7
PM2.5
μg/m³
6.1
NO2
μg/m³
7.6
CO
μg/m³
0
SO2
μg/m³
0
Weather
  • ℃
  • ℉
16℃
81%
4 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • O3
  • PM10
  • PM2.5
  • NO2
  • CO
  • SO2
Places included
Algoma District
AQI 82
Brant County
AQI 44
Brantford
AQI 78
Bruce County
AQI 71
Chatham-Kent Division
AQI 80
Cochrane District
AQI 48
Dufferin County
AQI 37
Durham Regional Municipality
AQI 69
Elgin County
AQI 90
Essex County
AQI 80
Frontenac County
AQI 73
Greater Sudbury Division
AQI 80
Grey County
AQI 5
Haldimand County
AQI 53
Haliburton County
AQI 25
Halton Regional Municipality
AQI 90
Hamilton Division
AQI 78
Hastings County
AQI 63
Huron County
AQI 88
Kawartha Lakes Division
AQI 6
Kenora District
AQI 47
Lambton County
AQI 82
Lanark County
AQI 6
Leeds and Grenville United Counties
AQI 7
Lennox and Addington County
AQI 9
Manitoulin District
AQI 6
Middlesex County
AQI 78
Muskoka District Municipality
AQI 41
Niagara Regional Municipality
AQI 78
Nipissing District
AQI 54
Norfolk County
AQI 44
Northumberland County
AQI 6
Ottawa Division
AQI 54
Oxford County
AQI 19
Parry Sound District
AQI 60
Peel Regional Municipality
AQI 72
Perth County
AQI 51
Peterborough County
AQI 63
Prescott and Russell United Counties
AQI 11
Prince Edward County
AQI 7
Rainy River District
AQI 7
Renfrew County
AQI 4
Simcoe County
AQI 65
Stormont, Dundas and Glengarry United Counties
AQI 69
Sudbury District
AQI 3
Thunder Bay District
AQI 6
Timiskaming District
AQI 4
Toronto Division
AQI 63
Waterloo Regional Municipality
AQI 84
Wellington County
AQI 80
York Regional Municipality
AQI 66
Data Sources
http://www.airnow.gov/

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Cities Nearby

Hearst
AQI 6
Manitouwadge
AQI 8
Attawapiskat
AQI 2
Marathon
AQI 7
Kapuskasing
AQI 7
Moonbeam
AQI 48
Moosonee
AQI 5
Wawa
AQI 51
Cochrane
AQI 4
Timmins
AQI 5
Thunder Bay
AQI 12