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Air quality in Ontario

Air quality index (AQI⁺) and PM2.5 air pollution in Ontario • 20:54, Oct 30

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 HamiltonianMikoAirJayDeeVBbsummDGEC - GreensvilleAnonymous SlyyyMinistry of the Environment and the Fight against Climate ChangePaulAnonymousSteven RichierandalljhowardARTSean StewartJackBBriarwood Ave. Matt WojtowiczDataforge CanadaBradley SangerSWMichiruWildflower 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 HamiltonianMikoAirJayDeeVBbsummDGEC - GreensvilleAnonymous SlyyyMinistry of the Environment and the Fight against Climate ChangePaulAnonymousSteven RichierandalljhowardARTSean StewartJackBBriarwood Ave. Matt WojtowiczDataforge CanadaBradley SangerSWMichiruWildflower 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

Greater Sudbury

28

2
The national flag of Canada

Sault Ste. Marie

27

3
The national flag of Canada

Wellington County

26

4
The national flag of Canada

Ottawa

25

5
The national flag of Canada

North Bay

24

6
The national flag of Canada

Parry Sound

24

7
The national flag of Canada

Thunder Bay

24

8
The national flag of Canada

Dorset

23

9
The national flag of Canada

Kenora

23

10
The national flag of Canada

Chatham

22

Live cleanest city ranking

Real-time Ontario cleanest city ranking

#CitiesAQI⁺ US
1
The national flag of Canada

Almonte

0

2
The national flag of Canada

Breslau

0

3
The national flag of Canada

Buckhorn

0

4
The national flag of Canada

Coldwater

0

5
The national flag of Canada

Collingwood

0

6
The national flag of Canada

Embrun

0

7
The national flag of Canada

Etobicoke

0

8
The national flag of Canada

Hawkesbury

0

9
The national flag of Canada

Magnetawan

0

10
The national flag of Canada

Merrickville-Wolford

0

Wildfires in Ontario

Real-time information

Active fires

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Aerial view of multiple houses covered in haze.
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Small group of people cycling in morning smog.
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Polluted skies of Almaty.
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