1. North America
  2. Canada
  3. Ontario

Ontario

Canada

2026-02-17 15:00
AQI (India)
Satisfactory
Pollutants
PM10
μg/m³
52.3
O3
μg/m³
46.3
PM2.5
μg/m³
25.8
NO2
μg/m³
23.7
CO
μg/m³
0
SO2
μg/m³
0
Weather
  • ℃
  • ℉
-13℃
85%
18 kph
1 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • PM10
  • O3
  • PM2.5
  • NO2
  • CO
  • SO2
Places included
Algoma District
AQI 70
Brant County
AQI 35
Brantford
AQI 45
Bruce County
AQI 56
Chatham-Kent Division
AQI 47
Cochrane District
AQI 73
Dufferin County
AQI 35
Durham Regional Municipality
AQI 67
Elgin County
AQI 50
Essex County
AQI 61
Frontenac County
AQI 60
Greater Sudbury Division
AQI 28
Grey County
AQI 35
Haldimand County
AQI 49
Haliburton County
AQI 65
Halton Regional Municipality
AQI 52
Hamilton Division
AQI 52
Hastings County
AQI 50
Huron County
AQI 48
Kawartha Lakes Division
AQI 57
Kenora District
AQI 73
Lambton County
AQI 52
Lanark County
AQI 15
Leeds and Grenville United Counties
AQI 67
Lennox and Addington County
AQI 42
Manitoulin District
AQI 20
Middlesex County
AQI 42
Muskoka District Municipality
AQI 69
Niagara Regional Municipality
AQI 48
Nipissing District
AQI 52
Norfolk County
AQI 35
Northumberland County
AQI 48
Ottawa Division
AQI 57
Oxford County
AQI 38
Parry Sound District
AQI 54
Peel Regional Municipality
AQI 53
Perth County
AQI 50
Peterborough County
AQI 65
Prescott and Russell United Counties
AQI 1
Prince Edward County
AQI 39
Rainy River District
AQI 81
Renfrew County
AQI 20
Simcoe County
AQI 46
Stormont, Dundas and Glengarry United Counties
AQI 75
Sudbury District
AQI 18
Thunder Bay District
AQI 60
Timiskaming District
AQI 18
Toronto Division
AQI 79
Waterloo Regional Municipality
AQI 44
Wellington County
AQI 52
York Regional Municipality
AQI 59
Data Sources
http://www.airnow.gov/

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Cities Nearby

Hearst
AQI 15
Manitouwadge
AQI 18
Attawapiskat
AQI 14
Marathon
AQI 24
Kapuskasing
AQI 15
Moonbeam
AQI 73
Moosonee
AQI 21
Wawa
AQI 22
Cochrane
AQI 15
Timmins
AQI 15
Thunder Bay
AQI 60