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LIVE AQI CITY RANKING
Real-time Canada
Most polluted city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Valemount, British Columbia | 71 |
| 2 | Oakville, Ontario | 62 |
| 3 | Mississauga, Ontario | 46 |
| 4 | Kitchener, Ontario | 33 |
| 5 | Hope, British Columbia | 32 |
| 6 | Cold Lake, Alberta | 31 |
| 7 | Chetwynd, British Columbia | 29 |
| 8 | St. Albert, Alberta | 29 |
| 9 | Montreal, Quebec | 28 |
| 10 | Edmundston, New Brunswick | 27 |
(local time)
SEE WORLD AQI RANKINGAIR QUALITY DATA CONTRIBUTORS
786 Contributors
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LIVE AQI CITY RANKING
Real-time Canada
Cleanest city ranking
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
Good
Moderate
Unhealthy for sensitive groups
Unhealthy
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Hazardous
OVERVIEW
How polluted is Canada?
2023 Air quality average
Good
2023 average US AQI
42
!
PM2.5
x2.1
2023 average PM2.5 concentration in Canada: 2.1 times the WHO annual air quality guideline value
| 2023 Canada cleanest city | Prince Rupert , British Columbia 11 |
| 2023 Canada most polluted city | Grimshaw , Alberta 83 |
News
The latest air quality news and resources.
2023 aqi country ranking
How does Canada rank globally in air pollution?
93/134
Which country had the worst air quality in 2023?
| # | COUNTRY | Population | AVG. US |
|---|---|---|---|
| 1 |  Bangladesh | 169,356,251 | 164 |
| 2 |  Pakistan | 231,402,117 | 160 |
| 3 |  India | 1,407,563,842 | 147 |
| 4 |  Tajikistan | 9,750,064 | 134 |
| 5 |  Burkina Faso | 22,100,683 | 128 |
| 6 |  Iraq | 43,533,592 | 121 |
| 7 |  United Arab Emirates | 9,365,145 | 119 |
| 8 |  Nepal | 30,034,989 | 118 |
| 9 |  Egypt | 109,262,178 | 118 |
| 10 |  Democratic Republic of the Congo | 95,894,118 | 114 |
| 93 | Canada | 38,246,108 | 42 |
Canada air quality data attribution
786Contributors
- Metro Vancouver
19 stations
- Canada - Alberta Government Open Data
16 stations
Hamilton Air Monitoring Network - HAMN9 stations
Manitoba Government4 stations
NWT Air Quality Monitoring Network3 stations
Government of Saskatchewan2 stations
- Peace River Area Monitoring Program
1 station
- Ville de Thetford Mines
1 station
- P G
1 station
- Township of SNNF
1 station
Top 20 Government Contributors
PAS Palliser Airshed Society7 stations
Wood Buffalo Environmental Association3 stations
Clean Air Plan3 stations
National Air Pollution Surveillance Program2 stations
Parkland Airshed Management Zone2 stations
West Central Airshed Society1 station
DGEC - Greensville1 station
Electric Vehicle Council of Ottawa1 station
- EVCO
1 station
Fort Air Partnership1 station
Top 20 Non-profit Organization Contributors
University of Northern British Columbia8 stations
- Jaimie Mack
1 station
AC1 station
Pender Harbour Community School1 station
Top 20 Educational Contributors
- Stephan Wehner
1 station
- BC Hydro
1 station
- Beaton Rettich Waters
1 station
Woody Nelson1 station
Top 20 Corporate Contributors
CS4 stations
- Bell_Media_SK
2 stations
- Lord Bobby
2 stations
Creston BC (Hillside)1 station
- Marten Lettinga
1 station
- Raymond Mc
1 station
MikoAirOne1 station
JS1 station
- S Gr
1 station
- Niall Platts
1 station
- Anonymous
1 station
- Jim Guillet
1 station
Barriere Air Project Station 11 station
- bsumm
1 station
- Ken Gibson
1 station
- candamyr
1 station
jenny whitfield1 station
IQAir Community Member1 station
Chris Fournier1 station
Gestion de Patrimoine Rochford1 station
Top 20 Individual Contributors
636 Anonymous contributors636 stations
Anonymous Contributors
Top 18 Data sources
PurpleAir
IQAir
AirNow- Canada - Alberta Government Open Data
- Peace River Area Monitoring Program
- Metro Vancouver
- Ministry of Environment & Climate Change Strategy - Government of B.C
- City of Montreal - Official Air Quality Monitoring Portal
- Wood Buffalo Environmental Association
Government of Ontario, Ministry of the Environment- Hamilton Air Monitoring Network - HAMN
Ministry of the Environment and the Fight against Climate Change- Manitoba Government
- West Central Airshed Society
- NWT Air Quality Monitoring Network
- Fort Air Partnership
- Government of Saskatchewan
- Parkland Airshed Management Zone
Which is the most polluted state in Canada?
AQI US, Metric