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Air quality in Thunder Bay

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

Last update at 17:00, Apr 25 (local time)

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#	city	US AQI
1	Calgary, Alberta	40
2	Gibbons, Alberta	39
3	Patricia Mcinnes, Alberta	39
4	Fort Mckay, Alberta	37
5	Lac La Biche, Alberta	37
6	Sherwood Park, Alberta	37
7	Cold Lake, Alberta	36
8	Lethbridge, Alberta	36
9	London, Ontario	36
10	Prince George, British Columbia	33

17:00, Apr 25 (local time)

#	station	US AQI
1	Simon Fraser Drive	15
2	Ontario Ministry of the Environment Thunder Bay	12

17:00, Apr 25 (local time)

US AQI

live AQI index
Good

Air pollution level	Air quality index	Main pollutant
Good	14 US AQI	PM2.5

Pollutants		Concentration
PM2.5		3.3µg/m³

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

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Day	Pollution level	Weather	Temperature	Wind
Monday, Apr 22	Good 31 AQI US		46.4° 32°	15.7 mp/h
Tuesday, Apr 23	Good 22 AQI US		33.8° 24.8°	8.9 mp/h
Wednesday, Apr 24	Good 19 AQI US		48.2° 28.4°	6.7 mp/h
Today	Good 14 AQI US		48.2° 28.4°	6.7 mp/h
Friday, Apr 26	Good 8 AQI US	100%	48.2° 32°	11.2 mp/h
Saturday, Apr 27	Good 23 AQI US	100%	42.8° 35.6°	17.9 mp/h
Sunday, Apr 28	Good 7 AQI US	100%	42.8° 32°	20.1 mp/h
Monday, Apr 29	Good 5 AQI US	100%	42.8° 33.8°	17.9 mp/h
Tuesday, Apr 30	Good 5 AQI US	100%	50° 39.2°	8.9 mp/h
Wednesday, May 1	Good 4 AQI US	100%	42.8° 37.4°	11.2 mp/h