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Air quality in Ontario

Air quality index (AQI⁺) and PM2.5 air pollution in Ontario • 16:33, Nov 03

Live most polluted city ranking

Real-time Ontario most polluted city ranking

#CitiesAQI⁺ US
1
The national flag of Canada

Selwyn

69

2
The national flag of Canada

Renfrew

60

3
The national flag of Canada

Embrun

54

4
The national flag of Canada

Greater Sudbury

52

5
The national flag of Canada

Sheguiandah

52

6
The national flag of Canada

Buckhorn

50

7
The national flag of Canada

Magnetawan

48

8
The national flag of Canada

Hawkesbury

46

9
The national flag of Canada

Pembroke

45

10
The national flag of Canada

Orillia

42

Live cleanest city ranking

Real-time Ontario cleanest city ranking

#CitiesAQI⁺ US
1
The national flag of Canada

Greenstone

0

2
The national flag of Canada

Breslau

2

3
The national flag of Canada

Cobourg

6

4
The national flag of Canada

North York

6

5
The national flag of Canada

Etobicoke

7

6
The national flag of Canada

East York

8

7
The national flag of Canada

South Huron

8

8
The national flag of Canada

Ajax

12

9
The national flag of Canada

Bainsville

12

10
The national flag of Canada

Algoma

14

Wildfires in Ontario

Real-time information

Active fires

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Which is the most polluted city in Ontario?