North America Air Pollution Statistics
Top 10 Best and Worst Air Quality in North America

Share: aqicn.org/statistics/north-america/

The statistics below corresponds to the real-time readings
last updated on Sat Aug 09 2025 03:22:33 GMT+0000 (Coordinated Universal Time).

Worst Air Quality Stations
Millville, NewJersey, USA
on 2025-08-09 11:00:00
260
06 AM12 PM06 PMThu 0706 AM12 PM06 PMFri 0806 AM12 PM06 PM
Fort McKay, Alberta, Canada
on 2025-08-09 11:00:00
207
06 AM12 PM06 PMThu 0706 AM12 PM06 PMFri 0806 AM12 PM06 PM
Tamarack, Alberta, Canada
on 2025-08-09 12:00:00
182
06 AM12 PM06 PMThu 0706 AM12 PM06 PMFri 0806 AM12 PM06 PM
Buffalo Narrows, Saskatchewan, Canada
on 2025-08-09 11:00:00
174
06 AM12 PM06 PMThu 0706 AM12 PM06 PMFri 0806 AM12 PM06 PM
Québec, Quebec, Canada
on 2025-08-09 10:00:00
137
06 AM12 PM06 PMThu 0706 AM12 PM06 PMFri 0806 AM12 PM06 PM
Saskatoon, Saskatchewan, Canada
on 2025-08-09 11:00:00
135
06 AM12 PM06 PMThu 0706 AM12 PM06 PMFri 0806 AM12 PM06 PM
Roberval, York, Montreal, Canada
on 2025-08-09 05:00:00
124
06 AM12 PM06 PMThu 0706 AM12 PM06 PMFri 0806 AM12 PM06 PM
Sorel-Tracy - secteur de Saint-Joseph-de-Sorel, Quebec, Canada
on 2025-08-09 10:00:00
120
06 AM12 PM06 PMThu 0706 AM12 PM06 PMFri 0806 AM12 PM06 PM
Saguenay - secteur de l'université (Chicoutimi), Quebec, Canada
on 2025-08-09 10:00:00
117
06 AM12 PM06 PMThu 0706 AM12 PM06 PMFri 0806 AM12 PM06 PM
Toronto Downtown, Ontario, Canada
on 2025-08-09 12:00:00
112
06 AM12 PM06 PMThu 0706 AM12 PM06 PMFri 0806 AM12 PM06 PM

Best Air Quality Stations
Lakeview, Oregon, USA
on 2025-08-09 11:00:00
9
Thu 0706 AM12 PM06 PMFri 0806 AM12 PM06 PM
Valemount Firehall, British Comlumbia, Canada
on 2025-08-09 11:00:00
10
Thu 0706 AM12 PM06 PMFri 0806 AM12 PM06 PM
Smithers Muheim Memorial, British Comlumbia, Canada
on 2025-08-09 11:00:00
12
Thu 0706 AM12 PM06 PMFri 0806 AM12 PM06 PM
Regina, Saskatchewan, Canada
on 2025-08-09 11:00:00
12
Thu 0706 AM12 PM06 PMFri 0806 AM12 PM06 PM
Bethel, Alaska
on 2025-08-09 10:00:00
12
Thu 0706 AM12 PM06 PMFri 0806 AM12 PM06 PM
Garden, Anchorage, Alaska
on 2025-08-09 10:00:00
13
Thu 0706 AM12 PM06 PMFri 0806 AM12 PM06 PM
Floyd Dryden, Alaska
on 2025-08-09 10:00:00
13
Thu 0706 AM12 PM06 PMFri 0806 AM12 PM06 PM
Malta, Montana, USA
on 2025-08-09 08:00:00
14
Thu 0706 AM12 PM06 PMFri 0806 AM12 PM06 PM
Winnipeg Scotia St., Manitoba, Canada
on 2025-08-09 08:00:00
15
Thu 0706 AM12 PM06 PMFri 0806 AM12 PM06 PM
Daniela Banu NCore, Broward, Florida, USA
on 2025-08-09 12:00:00
16
Thu 0706 AM12 PM06 PMFri 0806 AM12 PM06 PM


Statistics for other regions

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Air Quality Rankings

About the Air Quality and Pollution Measurement:

About the Air Quality Levels

AQI Air Pollution Level Health Implications Cautionary Statement (for PM2.5)
0 - 50 Good Air quality is considered satisfactory, and air pollution poses little or no risk None
51 -100 Moderate Air quality is acceptable; however, for some pollutants there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution. Active children and adults, and people with respiratory disease, such as asthma, should limit prolonged outdoor exertion.
101-150 Unhealthy for Sensitive Groups Members of sensitive groups may experience health effects. The general public is not likely to be affected. Active children and adults, and people with respiratory disease, such as asthma, should limit prolonged outdoor exertion.
151-200 Unhealthy Everyone may begin to experience health effects; members of sensitive groups may experience more serious health effects Active children and adults, and people with respiratory disease, such as asthma, should avoid prolonged outdoor exertion; everyone else, especially children, should limit prolonged outdoor exertion
201-300 Very Unhealthy Health warnings of emergency conditions. The entire population is more likely to be affected. Active children and adults, and people with respiratory disease, such as asthma, should avoid all outdoor exertion; everyone else, especially children, should limit outdoor exertion.
300+ Hazardous Health alert: everyone may experience more serious health effects Everyone should avoid all outdoor exertion

To know more about Air Quality and Pollution, check the wikipedia Air Quality topic or the airnow guide to Air Quality and Your Health.

For very useful health advices of Beijing Doctor Richard Saint Cyr MD, check www.myhealthbeijing.com blog.


Usage Notice: All the Air Quality data are unvalidated at the time of publication, and due to quality assurance these data may be amended, without notice, at any time. The World Air Quality Index project has exercised all reasonable skill and care in compiling the contents of this information and under no circumstances will the World Air Quality Index project team or its agents be liable in contract, tort or otherwise for any loss, injury or damage arising directly or indirectly from the supply of this data.



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