Air quality in Canada

Air quality index (AQI) and PM2.5 air pollution in Canada

LAST UPDATE (local time)

LIVE AQI CITY RANKING

Real-time Canada
Most polluted city ranking

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#cityUS AQI
1 Nakusp, British Columbia

110

2 Steeper, Alberta

93

3 Markham, Ontario

91

4 Smithers, British Columbia

86

5 Woodstock, Ontario

83

6 Lumby, British Columbia

82

7 Wellington County, Ontario

79

8 Mississauga, Ontario

74

9 Golden, British Columbia

73

10 Peterborough, Ontario

72

(local time)

SEE WORLD AQI RANKING

Air Quality contributors Sources

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LIVE AQI CITY RANKING

Real-time Canada
Cleanest city ranking

Tooltip icon
#cityUS AQI
1 Calgary, Alberta

0

2 Cookshire-Eaton, Quebec

0

3 Flin Flon, Manitoba

0

4 Kirkland Lake, Ontario

0

5 Mistissini, Quebec

0

6 Cardston, Alberta

1

7 Labrador City, Newfoundland and Labrador

1

8 Pomonca, Quebec

1

9 Pincher Creek, Alberta

1

10 Rimouski, Quebec

1

(local time)

SEE WORLD AQI RANKING
Good
Moderate
Unhealthy for sensitive groups
Unhealthy
Very unhealthy
Hazardous
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OVERVIEW

How polluted is Canada?

The national flag of Canada

2020 Air quality average

Human face indicating AQI level

Good

2020 average US AQI

30

PM2.5 concentration in Canada air currently meets the WHO annual air quality guideline value

2020  Canada cleanest city St. Andrews , New Brunswick

14

2020  Canada most polluted city Gitanyow , British Columbia

63

2020 aqi country ranking

How does Canada rank globally in air pollution?

97/ 106 countries ranked in 2020

Which country had the worst air quality in 2020?

#COUNTRYPopulationAVG. US AQI
1The national flag of CanadaBangladesh164'689'383

162

2The national flag of CanadaPakistan220'892'331

153

3The national flag of CanadaIndia1'380'004'385

141

4The national flag of CanadaMongolia3'278'292

128

5The national flag of CanadaAfghanistan38'928'341

128

6The national flag of CanadaOman5'106'622

123

7The national flag of CanadaQatar2'881'060

123

8The national flag of CanadaKyrgyzstan6'524'191

121

9The national flag of CanadaIndonesia273'523'621

114

10The national flag of CanadaBosnia Herzegovina3'280'815

113

97The national flag of CanadaCanada37'742'157

30

SEE DETAIL

How to best protect from air pollution?

Reduce your air pollution exposure in Canada

Canada air quality data sources

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