1. North America
  2. Canada
  3. Ontario

Ontario

Canada

2026-08-11 08:00
AQI (India)
Good
Pollutants
O3
μg/m³
44.8
PM10
μg/m³
21
PM2.5
μg/m³
8.6
NO2
μg/m³
7.4
CO
μg/m³
0
SO2
μg/m³
0
Weather
  • ℃
  • ℉
12℃
91%
7 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • O3
  • PM10
  • PM2.5
  • NO2
  • CO
  • SO2
Places included
Algoma District
AQI 44
Brant County
AQI 17
Brantford
AQI 48
Bruce County
AQI 69
Chatham-Kent Division
AQI 43
Cochrane District
AQI 11
Dufferin County
AQI 26
Durham Regional Municipality
AQI 28
Elgin County
AQI 18
Essex County
AQI 40
Frontenac County
AQI 67
Greater Sudbury Division
AQI 22
Grey County
AQI 8
Haldimand County
AQI 39
Haliburton County
AQI 6
Halton Regional Municipality
AQI 58
Hamilton Division
AQI 58
Hastings County
AQI 63
Huron County
AQI 39
Kawartha Lakes Division
AQI 12
Kenora District
AQI 38
Lambton County
AQI 82
Lanark County
AQI 7
Leeds and Grenville United Counties
AQI 7
Lennox and Addington County
AQI 19
Manitoulin District
AQI 7
Middlesex County
AQI 52
Muskoka District Municipality
AQI 12
Niagara Regional Municipality
AQI 50
Nipissing District
AQI 26
Norfolk County
AQI 17
Northumberland County
AQI 8
Ottawa Division
AQI 37
Oxford County
AQI 17
Parry Sound District
AQI 45
Peel Regional Municipality
AQI 55
Perth County
AQI 23
Peterborough County
AQI 56
Prescott and Russell United Counties
AQI 8
Prince Edward County
AQI 17
Rainy River District
AQI 12
Renfrew County
AQI 6
Simcoe County
AQI 54
Stormont, Dundas and Glengarry United Counties
AQI 54
Sudbury District
AQI 8
Thunder Bay District
AQI 6
Timiskaming District
AQI 12
Toronto Division
AQI 41
Waterloo Regional Municipality
AQI 58
Wellington County
AQI 50
York Regional Municipality
AQI 45
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 10
Manitouwadge
AQI 8
Attawapiskat
AQI 3
Marathon
AQI 5
Kapuskasing
AQI 7
Moonbeam
AQI 11
Moosonee
AQI 16
Wawa
AQI 26
Cochrane
AQI 13
Timmins
AQI 10
Thunder Bay
AQI 11