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Air quality in Ontario

Air quality index (AQI⁺) and PM2.5 air pollution in Ontario • 07:32, Oct 22

Government of Ontario, Ministry of the EnvironmentOklahoma Department of Environmental Quality AnonymousJim GuilletNational Air Pollution Surveillance ProgramPiéEVCO**Chris Fournier@airqualitybrampton & airqualitybrampton@gmail.comHamilton Air Monitoring Network - HAMNMark OberemkGraydonSouth 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 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 GuilletNational Air Pollution Surveillance ProgramPiéEVCO**Chris Fournier@airqualitybrampton & airqualitybrampton@gmail.comHamilton Air Monitoring Network - HAMNMark OberemkGraydonSouth 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 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

Windsor

97

2
The national flag of Canada

Woodstock

73

3
The national flag of Canada

Burlington

72

4
The national flag of Canada

Waterloo

70

5
The national flag of Canada

Hamilton

66

6
The national flag of Canada

Kingston

55

7
The national flag of Canada

East York

54

8
The national flag of Canada

Kitchener

54

9
The national flag of Canada

Newmarket

52

10
The national flag of Canada

Amherstburg

51

Live cleanest city ranking

Real-time Ontario cleanest city ranking

#CitiesAQI⁺ US
1
The national flag of Canada

Red Lake

0

2
The national flag of Canada

Tobermory

0

3
The national flag of Canada

Ajax

1

4
The national flag of Canada

Breslau

3

5
The national flag of Canada

South Huron

3

6
The national flag of Canada

Greenstone

4

7
The national flag of Canada

Embrun

6

8
The national flag of Canada

Parry Sound

8

9
The national flag of Canada

Selwyn

8

10
The national flag of Canada

Sioux Narrows

8

Wildfires in Ontario

Real-time information

Active fires

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Multiple buildings aerial shot
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Pakistan Air Quality Alert

Small group of people cycling in morning smog.
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India Air Quality Alert

Aerial shot of buildings in haze.
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Indonesia Air Quality Alert

Which is the most polluted city in Ontario?