1. North America
  2. Canada
  3. Ontario

Ontario

Canada

2026-04-29 08:00
AQI (China)
Excellent
Pollutants
O3
μg/m³
54.2
PM10
μg/m³
5
PM2.5
μg/m³
3
NO2
μg/m³
7.5
CO
μg/m³
0
SO2
μg/m³
0
Weather
  • ℃
  • ℉
-2℃
93%
15 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • O3
  • PM10
  • PM2.5
  • NO2
  • CO
  • SO2
Places included
Algoma District
AQI 17
Brant County
AQI 9
Brantford
AQI 10
Bruce County
AQI 19
Chatham-Kent Division
AQI 19
Cochrane District
AQI 23
Dufferin County
AQI 22
Durham Regional Municipality
AQI 20
Elgin County
AQI 11
Essex County
AQI 23
Frontenac County
AQI 25
Greater Sudbury Division
AQI 21
Grey County
AQI 20
Haldimand County
AQI 23
Haliburton County
AQI 18
Halton Regional Municipality
AQI 14
Hamilton Division
AQI 13
Hastings County
AQI 16
Huron County
AQI 21
Kawartha Lakes Division
AQI 2
Kenora District
AQI 22
Lambton County
AQI 24
Lanark County
AQI 14
Leeds and Grenville United Counties
AQI 18
Lennox and Addington County
AQI 8
Manitoulin District
AQI 22
Middlesex County
AQI 13
Muskoka District Municipality
AQI 17
Niagara Regional Municipality
AQI 19
Nipissing District
AQI 21
Norfolk County
AQI 9
Northumberland County
AQI 30
Ottawa Division
AQI 25
Oxford County
AQI 9
Parry Sound District
AQI 21
Peel Regional Municipality
AQI 14
Perth County
AQI 25
Peterborough County
AQI 14
Prescott and Russell United Counties
AQI 1
Prince Edward County
AQI 6
Rainy River District
AQI 19
Renfrew County
AQI 17
Simcoe County
AQI 15
Stormont, Dundas and Glengarry United Counties
AQI 29
Sudbury District
AQI 13
Thunder Bay District
AQI 10
Timiskaming District
AQI 13
Toronto Division
AQI 15
Waterloo Regional Municipality
AQI 13
Wellington County
AQI 7
York Regional Municipality
AQI 13
Data Sources
http://www.airnow.gov/

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Cities Nearby

Hearst
AQI 15
Manitouwadge
AQI 14
Attawapiskat
AQI 11
Marathon
AQI 18
Kapuskasing
AQI 13
Moonbeam
AQI 23
Moosonee
AQI 17
Wawa
AQI 17
Cochrane
AQI 13
Timmins
AQI 14
Thunder Bay
AQI 10