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Air quality in Ontario

Air quality index (AQI⁺) and PM2.5 air pollution in Ontario • 14:16, Oct 15

Government of Ontario, Ministry of the EnvironmentOklahoma Department of Environmental Quality AnonymousJim GuilletPiéEVCO**Chris Fournier@airqualitybrampton & airqualitybrampton@gmail.comHamilton Air Monitoring Network - HAMNMark OberemkGraydonSouth RichvaleMC2025Stacey SchacterstevepaulquinnBelltown - Oakley AveAmy CuriousMeKevin 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.Captain Benjamin WillardEric SteinAnonymousHaig BlvdDave McKeeCanadian Air and Precipitation Monitoring NetworkKatwyks on the RiverPierreJpSMeS 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 - HAMNMark OberemkGraydonSouth RichvaleMC2025Stacey SchacterstevepaulquinnBelltown - Oakley AveAmy CuriousMeKevin 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.Captain Benjamin WillardEric SteinAnonymousHaig BlvdDave McKeeCanadian Air and Precipitation Monitoring NetworkKatwyks on the RiverPierreJpSMeS 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

Oakville

48

2
The national flag of Canada

Willowdale

41

3
The national flag of Canada

Hawkesbury

39

4
The national flag of Canada

Brampton

30

5
The national flag of Canada

Sarnia

29

6
The national flag of Canada

Hawkesville

26

7
The national flag of Canada

Kincardine

26

8
The national flag of Canada

Oshawa

26

9
The national flag of Canada

Wellington County

26

10
The national flag of Canada

Port Stanley

24

Live cleanest city ranking

Real-time Ontario cleanest city ranking

#CitiesAQI⁺ US
1
The national flag of Canada

Bells Corners

0

2
The national flag of Canada

Buckhorn

0

3
The national flag of Canada

Coldwater

0

4
The national flag of Canada

Etobicoke

0

5
The national flag of Canada

Magnetawan

0

6
The national flag of Canada

North York

0

7
The national flag of Canada

Sioux Narrows

0

8
The national flag of Canada

Brockville

1

9
The national flag of Canada

Algoma

2

10
The national flag of Canada

Breslau

2

Wildfires in Ontario

Real-time information

Active fires

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Dry land.
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Heatwave Map Spotlight: Southern California

Forest fire.
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Wildfire Map Spotlight: Dome Fire, Yosemite National Park, California

Dry grass burning.
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Wildfire Map Spotlight: Bouquet Fire, California

Which is the most polluted city in Ontario?