1. North America
  2. Canada
  3. Ontario

Ontario

Canada

2026-04-23 02:00
CAQI (Europe)
Low
Pollutants
O3
μg/m³
97.5
PM10
μg/m³
28
PM2.5
μg/m³
7.3
NO2
μg/m³
15
SO2
μg/m³
0.9
CO
μg/m³
0
Weather
  • ℃
  • ℉
-3℃
95%
8 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • CAQI (Europe)
  • O3
  • PM10
  • PM2.5
  • NO2
  • SO2
  • CO
Places included
Algoma District
AQI 39
Brant County
AQI 14
Brantford
AQI 38
Bruce County
AQI 46
Chatham-Kent Division
AQI 46
Cochrane District
AQI 36
Dufferin County
AQI 22
Durham Regional Municipality
AQI 46
Elgin County
AQI 47
Essex County
AQI 43
Frontenac County
AQI 48
Greater Sudbury Division
AQI 32
Grey County
AQI 23
Haldimand County
AQI 27
Haliburton County
AQI 20
Halton Regional Municipality
AQI 42
Hamilton Division
AQI 49
Hastings County
AQI 45
Huron County
AQI 50
Kawartha Lakes Division
AQI 10
Kenora District
AQI 40
Lambton County
AQI 47
Lanark County
AQI 15
Leeds and Grenville United Counties
AQI 20
Lennox and Addington County
AQI 12
Manitoulin District
AQI 24
Middlesex County
AQI 37
Muskoka District Municipality
AQI 33
Niagara Regional Municipality
AQI 34
Nipissing District
AQI 38
Norfolk County
AQI 14
Northumberland County
AQI 30
Ottawa Division
AQI 40
Oxford County
AQI 14
Parry Sound District
AQI 50
Peel Regional Municipality
AQI 48
Perth County
AQI 29
Peterborough County
AQI 49
Prescott and Russell United Counties
AQI 1
Prince Edward County
AQI 10
Rainy River District
AQI 22
Renfrew County
AQI 18
Simcoe County
AQI 49
Stormont, Dundas and Glengarry United Counties
AQI 35
Sudbury District
AQI 14
Thunder Bay District
AQI 34
Timiskaming District
AQI 15
Toronto Division
AQI 34
Waterloo Regional Municipality
AQI 42
Wellington County
AQI 41
York Regional Municipality
AQI 48
Data Sources
http://www.airnow.gov/

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Cities Nearby

Hearst
AQI 17
Manitouwadge
AQI 16
Attawapiskat
AQI 12
Marathon
AQI 20
Kapuskasing
AQI 4
Moonbeam
AQI 36
Moosonee
AQI 19
Wawa
AQI 25
Cochrane
AQI 15
Timmins
AQI 16
Thunder Bay
AQI 34