1. North America
  2. Canada
  3. Ontario

Ontario

Canada

2025-12-10 16:00
AQI (India)
Good
Pollutants
O3
μg/m³
44.4
NO2
μg/m³
15.1
PM10
μg/m³
9
PM2.5
μg/m³
4.8
CO
μg/m³
0
SO2
μg/m³
0
Weather
  • ℃
  • ℉
-10℃
89%
13 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • O3
  • NO2
  • PM10
  • PM2.5
  • CO
  • SO2
Places included
Algoma District
AQI 72
Brant County
AQI 4
Brantford
AQI 45
Bruce County
AQI 58
Chatham-Kent Division
AQI 50
Cochrane District
AQI 71
Dufferin County
AQI 36
Durham Regional Municipality
AQI 43
Elgin County
AQI 45
Essex County
AQI 36
Frontenac County
AQI 52
Greater Sudbury Division
AQI 56
Grey County
AQI 36
Haldimand County
AQI 16
Haliburton County
AQI 55
Halton Regional Municipality
AQI 36
Hamilton Division
AQI 40
Hastings County
AQI 52
Huron County
AQI 41
Kawartha Lakes Division
AQI 15
Kenora District
AQI 71
Lambton County
AQI 28
Lanark County
AQI 15
Leeds and Grenville United Counties
AQI 23
Lennox and Addington County
AQI 10
Manitoulin District
AQI 20
Middlesex County
AQI 39
Muskoka District Municipality
AQI 58
Niagara Regional Municipality
AQI 50
Nipissing District
AQI 56
Norfolk County
AQI 4
Northumberland County
AQI 46
Ottawa Division
AQI 41
Oxford County
AQI 5
Parry Sound District
AQI 45
Peel Regional Municipality
AQI 42
Perth County
AQI 28
Peterborough County
AQI 30
Prescott and Russell United Counties
AQI 1
Prince Edward County
AQI 5
Rainy River District
AQI 63
Renfrew County
AQI 18
Simcoe County
AQI 39
Stormont, Dundas and Glengarry United Counties
AQI 43
Sudbury District
AQI 18
Thunder Bay District
AQI 67
Timiskaming District
AQI 16
Toronto Division
AQI 38
Waterloo Regional Municipality
AQI 35
Wellington County
AQI 33
York Regional Municipality
AQI 35
Data Sources
http://www.airnow.gov/

Get the App

Scan QR Code
Air Matters
Realtime broadcasting air quality information on your phone for more than 180 countries.

iPhone, iPad

Android

Cities Nearby

Hearst
AQI 15
Manitouwadge
AQI 18
Attawapiskat
AQI 14
Marathon
AQI 24
Kapuskasing
AQI 4
Moonbeam
AQI 71
Moosonee
AQI 21
Wawa
AQI 22
Cochrane
AQI 15
Timmins
AQI 15
Thunder Bay
AQI 67