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Air quality in Ontario

Air quality index (AQI⁺) and PM2.5 air pollution in Ontario • 15:05, Oct 27

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 AveMeAmy CuriousKevin DamenNichols FamilyAnonymousElectric Vehicle Council of OttawaCSA HamiltonianMikoAirNational Air Pollution Surveillance ProgramJayDeeVBbsummAnonymous DGEC - GreensvilleSlyyyMinistry of the Environment and the Fight against Climate ChangePaulAnonymousSteven RichierandalljhowardARTSean StewartJackBMatt WojtowiczDataforge CanadaBradley SangerMichiruSWWildflower Bee Farm Ontario and Nova ScotiaBijanTimothy DresserBBT Batteries Ltd.Eric SteinCaptain Benjamin WillardLara TAnonymousHaig 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 AveMeAmy CuriousKevin DamenNichols FamilyAnonymousElectric Vehicle Council of OttawaCSA HamiltonianMikoAirNational Air Pollution Surveillance ProgramJayDeeVBbsummAnonymous DGEC - GreensvilleSlyyyMinistry of the Environment and the Fight against Climate ChangePaulAnonymousSteven RichierandalljhowardARTSean StewartJackBMatt WojtowiczDataforge CanadaBradley SangerMichiruSWWildflower Bee Farm Ontario and Nova ScotiaBijanTimothy DresserBBT Batteries Ltd.Eric SteinCaptain Benjamin WillardLara TAnonymousHaig 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

Caledon

105

2
The national flag of Canada

Wellington County

33

3
The national flag of Canada

Dorset

30

4
The national flag of Canada

Cornwall

27

5
The national flag of Canada

Egbert

27

6
The national flag of Canada

Oshawa

27

7
The national flag of Canada

Belleville

26

8
The national flag of Canada

Kingston

26

9
The national flag of Canada

Newmarket

26

10
The national flag of Canada

Ottawa

26

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

Brockville

0

3
The national flag of Canada

Coldwater

0

4
The national flag of Canada

Collingwood

0

5
The national flag of Canada

Etobicoke

0

6
The national flag of Canada

Hawkesbury

0

7
The national flag of Canada

Magnetawan

0

8
The national flag of Canada

Midland

0

9
The national flag of Canada

Perth

0

10
The national flag of Canada

Willowdale

0

Wildfires in Ontario

Real-time information

Active fires

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