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Air quality in Ontario

Air quality index (AQI⁺) and PM2.5 air pollution in Ontario • 01:53, Oct 02

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 - HAMNGraydonMark OberemkSouth RichvaleMC2025Stacey SchacterstevepaulquinnBelltown - Oakley AveMeAmy CuriousKevin DamenNichols FamilyElectric Vehicle Council of OttawaCSA HamiltonianMikoAirJayDeeVBbsummAnonymous DGEC - GreensvilleSlyyyMinistry of the Environment and the Fight against Climate ChangeAnonymousPaulSteven RichieJMrandalljhowardARTSean StewartJackBBriarwood Ave. Matt WojtowiczDataforge CanadaMichiruBradley SangerWildflower Bee Farm Ontario and Nova ScotiaSWTimothy DresserBBT Batteries Ltd.BijanEric SteinLara TavaresCaptain Benjamin WillardAnonymousHaig BlvdCanadian Air and Precipitation Monitoring NetworkPierreDave McKeeKatwyks on the RiverJpSMeS WepplerAnonymousPeter CornelisseGregMitch LMattAnonymous 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 - HAMNGraydonMark OberemkSouth RichvaleMC2025Stacey SchacterstevepaulquinnBelltown - Oakley AveMeAmy CuriousKevin DamenNichols FamilyElectric Vehicle Council of OttawaCSA HamiltonianMikoAirJayDeeVBbsummAnonymous DGEC - GreensvilleSlyyyMinistry of the Environment and the Fight against Climate ChangeAnonymousPaulSteven RichieJMrandalljhowardARTSean StewartJackBBriarwood Ave. Matt WojtowiczDataforge CanadaMichiruBradley SangerWildflower Bee Farm Ontario and Nova ScotiaSWTimothy DresserBBT Batteries Ltd.BijanEric SteinLara TavaresCaptain Benjamin WillardAnonymousHaig BlvdCanadian Air and Precipitation Monitoring NetworkPierreDave McKeeKatwyks on the RiverJpSMeS WepplerAnonymousPeter CornelisseGregMitch LMattAnonymous 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

Etobicoke

99

2
The national flag of Canada

East York

94

3
The national flag of Canada

Willowdale

94

4
The national flag of Canada

Ajax

90

5
The national flag of Canada

Cobourg

84

6
The national flag of Canada

Ancaster

81

7
The national flag of Canada

Windsor

80

8
The national flag of Canada

Bells Corners

79

9
The national flag of Canada

Newmarket

77

10
The national flag of Canada

North York

76

Live cleanest city ranking

Real-time Ontario cleanest city ranking

#CitiesAQI⁺ US
1
The national flag of Canada

Lindsay

0

2
The national flag of Canada

Orillia

0

3
The national flag of Canada

Tobermory

0

4
The national flag of Canada

Selwyn

1

5
The national flag of Canada

South Huron

1

6
The national flag of Canada

Breslau

5

7
The national flag of Canada

Greenstone

5

8
The national flag of Canada

Algoma

6

9
The national flag of Canada

Bancroft

6

10
The national flag of Canada

Uxbridge

6

Wildfires in Ontario

Real-time information

Active fires

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Which is the most polluted city in Ontario?