1. North America
  2. Canada
  3. Ontario

Ontario

Canada

2025-12-05 16:00
CAQI (Europe)
Medium
Pollutants
PM10
μg/m³
58
O3
μg/m³
69.2
PM2.5
μg/m³
5.3
NO2
μg/m³
11.5
CO
μg/m³
0
SO2
μg/m³
0
Weather
  • ℃
  • ℉
-13℃
84%
9 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • CAQI (Europe)
  • PM10
  • O3
  • PM2.5
  • NO2
  • CO
  • SO2
Places included
Algoma District
AQI 23
Brant County
AQI 7
Brantford
AQI 30
Bruce County
AQI 33
Chatham-Kent Division
AQI 34
Cochrane District
AQI 30
Dufferin County
AQI 22
Durham Regional Municipality
AQI 32
Elgin County
AQI 32
Essex County
AQI 55
Frontenac County
AQI 32
Greater Sudbury Division
AQI 30
Grey County
AQI 22
Haldimand County
AQI 16
Haliburton County
AQI 29
Halton Regional Municipality
AQI 32
Hamilton Division
AQI 30
Hastings County
AQI 34
Huron County
AQI 32
Kawartha Lakes Division
AQI 9
Kenora District
AQI 24
Lambton County
AQI 23
Lanark County
AQI 15
Leeds and Grenville United Counties
AQI 23
Lennox and Addington County
AQI 5
Manitoulin District
AQI 20
Middlesex County
AQI 30
Muskoka District Municipality
AQI 31
Niagara Regional Municipality
AQI 34
Nipissing District
AQI 31
Norfolk County
AQI 7
Northumberland County
AQI 26
Ottawa Division
AQI 18
Oxford County
AQI 8
Parry Sound District
AQI 35
Peel Regional Municipality
AQI 33
Perth County
AQI 21
Peterborough County
AQI 30
Prescott and Russell United Counties
AQI 1
Prince Edward County
AQI 5
Rainy River District
AQI 22
Renfrew County
AQI 18
Simcoe County
AQI 31
Stormont, Dundas and Glengarry United Counties
AQI 33
Sudbury District
AQI 18
Thunder Bay District
AQI 20
Timiskaming District
AQI 16
Toronto Division
AQI 25
Waterloo Regional Municipality
AQI 29
Wellington County
AQI 33
York Regional Municipality
AQI 25
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 5
Moonbeam
AQI 30
Moosonee
AQI 21
Wawa
AQI 22
Cochrane
AQI 15
Timmins
AQI 15
Thunder Bay
AQI 20