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 .

Worst Air Quality Stations
E 5th St, Port Angeles, Washington, USA
on 2026-03-09 22:00:00
331
graph 0
Durango, Durango, Mexico
on 2026-03-11 04:00:00
200
graph 1
SUR, CHIH1, Chihuahua -Estatal, Mexico
on 2026-03-12 18:00:00
132
graph 2
Desert View, New Mexico, USA
on 2026-03-13 01:00:00
119
graph 3
Sorel-Tracy - secteur de Saint-Joseph-de-Sorel, Quebec, Canada
on 2026-03-13 02:00:00
118
graph 4
Hamilton Acres Baptist School, Alaska
on 2026-03-13 02:00:00
116
graph 5
Las Pintas, Guadalajara, Mexico
on 2026-03-13 02:00:00
108
graph 6
Aspen PM, Colorado, USA
on 2026-03-13 02:00:00
100
graph 7
Secundaria Leyes de Reforma, Aguascalientes, Mexico
on 2026-03-13 02:00:00
97
graph 8
Deming Airport, New Mexico, USA
on 2026-03-13 01:00:00
87
graph 9

Best Air Quality Stations
Pierre, South Dakota, USA
on 2026-03-13 02:00:00
3
graph 0
Valemount Firehall, British Comlumbia, Canada
on 2026-03-13 02:00:00
5
graph 1
Lakeview, Oregon, USA
on 2026-03-13 02:00:00
9
graph 2
Fort Smith, NorthWestTerritories, Canada
on 2026-03-13 01:00:00
10
graph 3
Fort St John North Camp C, British Comlumbia, Canada
on 2026-03-13 02:00:00
11
graph 4
Inuvik, NorthWestTerritories, Canada
on 2026-03-13 01:00:00
11
graph 5
Flin Flon, Manitoba, Canada
on 2026-03-13 02:00:00
12
graph 6
Meadow Lake, Saskatchewan, Canada
on 2026-03-13 01:00:00
13
graph 7
Regina, Saskatchewan, Canada
on 2026-03-13 02:00:00
14
graph 8
Corner Brook, NewFoundland, Canada
on 2026-03-13 00:30:00
15
graph 9


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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