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Air quality in Ontario

Air quality index (AQI⁺) and PM2.5 air pollution in Ontario • 05:38, Oct 10

Government of Ontario, Ministry of the EnvironmentOklahoma Department of Environmental Quality AnonymousJim GuilletPiéEVCO**Chris Fournier@airqualitybrampton & airqualitybrampton@gmail.comHamilton Air Monitoring Network - HAMNGraydonMark OberemkSouth RichvaleMC2025Stacey SchacterstevepaulquinnBelltown - Oakley AveMeAmy CuriousKevin DamenNichols FamilyAnonymousElectric Vehicle Council of OttawaCSA HamiltonianMikoAirJayDeeVBbsummAnonymous DGEC - GreensvilleSlyyyMinistry of the Environment and the Fight against Climate ChangePaulAnonymousSteven RichierandalljhowardARTSean StewartJackBMatt WojtowiczDataforge CanadaMichiruBradley SangerSWWildflower Bee Farm Ontario and Nova ScotiaBijanTimothy DresserBBT Batteries Ltd.Eric SteinCaptain Benjamin WillardAnonymousHaig BlvdPierreDave McKeeCanadian Air and Precipitation Monitoring NetworkKatwyks on the RiverMeJpSS WepplerAnonymousMitch LPeter CornelisseGregMattAnonymous contributor
1 stations sponsored by The Foundation for Clean Air
Government of Ontario, Ministry of the EnvironmentOklahoma Department of Environmental Quality AnonymousJim GuilletPiéEVCO**Chris Fournier@airqualitybrampton & airqualitybrampton@gmail.comHamilton Air Monitoring Network - HAMNGraydonMark OberemkSouth RichvaleMC2025Stacey SchacterstevepaulquinnBelltown - Oakley AveMeAmy CuriousKevin DamenNichols FamilyAnonymousElectric Vehicle Council of OttawaCSA HamiltonianMikoAirJayDeeVBbsummAnonymous DGEC - GreensvilleSlyyyMinistry of the Environment and the Fight against Climate ChangePaulAnonymousSteven RichierandalljhowardARTSean StewartJackBMatt WojtowiczDataforge CanadaMichiruBradley SangerSWWildflower Bee Farm Ontario and Nova ScotiaBijanTimothy DresserBBT Batteries Ltd.Eric SteinCaptain Benjamin WillardAnonymousHaig BlvdPierreDave McKeeCanadian Air and Precipitation Monitoring NetworkKatwyks on the RiverMeJpSS WepplerAnonymousMitch LPeter CornelisseGregMattAnonymous contributor
1 stations sponsored by The Foundation for Clean Air

Live most polluted city ranking

Real-time Ontario most polluted city ranking

#CitiesAQI⁺ US
1
The national flag of Canada

Kenora District

62

2
The national flag of Canada

Chatham

59

3
The national flag of Canada

St. Catharines

39

4
The national flag of Canada

Owen Sound

36

5
The national flag of Canada

Hamilton

34

6
The national flag of Canada

Timmins

33

7
The national flag of Canada

Hawkesbury

31

8
The national flag of Canada

Waterloo

31

9
The national flag of Canada

Woodstock

30

10
The national flag of Canada

Brantford

29

Live cleanest city ranking

Real-time Ontario cleanest city ranking

#CitiesAQI⁺ US
1
The national flag of Canada

Algoma

0

2
The national flag of Canada

Embrun

0

3
The national flag of Canada

Tobermory

0

4
The national flag of Canada

Kasabonika

1

5
The national flag of Canada

Breslau

2

6
The national flag of Canada

North York

2

7
The national flag of Canada

Orangeville

2

8
The national flag of Canada

Almonte

3

9
The national flag of Canada

Renfrew

3

10
The national flag of Canada

Bainsville

6

Wildfires in Ontario

Real-time information

Active fires

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