1. North America
  2. Canada
  3. Ontario

Ontario

Canada

2026-03-06 05:00
CAQI (Europe)
Low
Pollutants
O3
μg/m³
76.3
PM10
μg/m³
17
PM2.5
μg/m³
6.3
NO2
μg/m³
10
CO
μg/m³
0
SO2
μg/m³
0
Weather
  • ℃
  • ℉
-14℃
96%
9 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • CAQI (Europe)
  • O3
  • PM10
  • PM2.5
  • NO2
  • CO
  • SO2
Places included
Algoma District
AQI 35
Brant County
AQI 12
Brantford
AQI 32
Bruce County
AQI 31
Chatham-Kent Division
AQI 26
Cochrane District
AQI 26
Dufferin County
AQI 23
Durham Regional Municipality
AQI 40
Elgin County
AQI 34
Essex County
AQI 27
Frontenac County
AQI 33
Greater Sudbury Division
AQI 26
Grey County
AQI 23
Haldimand County
AQI 30
Haliburton County
AQI 35
Halton Regional Municipality
AQI 38
Hamilton Division
AQI 35
Hastings County
AQI 34
Huron County
AQI 33
Kawartha Lakes Division
AQI 7
Kenora District
AQI 25
Lambton County
AQI 25
Lanark County
AQI 15
Leeds and Grenville United Counties
AQI 33
Lennox and Addington County
AQI 9
Manitoulin District
AQI 20
Middlesex County
AQI 34
Muskoka District Municipality
AQI 37
Niagara Regional Municipality
AQI 34
Nipissing District
AQI 34
Norfolk County
AQI 12
Northumberland County
AQI 33
Ottawa Division
AQI 33
Oxford County
AQI 13
Parry Sound District
AQI 34
Peel Regional Municipality
AQI 34
Perth County
AQI 30
Peterborough County
AQI 40
Prescott and Russell United Counties
AQI 1
Prince Edward County
AQI 9
Rainy River District
AQI 31
Renfrew County
AQI 18
Simcoe County
AQI 38
Stormont, Dundas and Glengarry United Counties
AQI 28
Sudbury District
AQI 18
Thunder Bay District
AQI 25
Timiskaming District
AQI 16
Toronto Division
AQI 33
Waterloo Regional Municipality
AQI 35
Wellington County
AQI 30
York Regional Municipality
AQI 38
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 26
Moosonee
AQI 21
Wawa
AQI 22
Cochrane
AQI 15
Timmins
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Thunder Bay
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