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Air quality in Thunder Bay

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

Last update at 08:00, Apr 29 (local time)

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#	city	US AQI
1	London, Ontario	67
2	West End, British Columbia	67
3	Valemount, British Columbia	47
4	Waterloo, Ontario	46
5	Quesnel, British Columbia	37
6	Chetwynd, British Columbia	30
7	Abbotsford, British Columbia	28
8	Kitchener, Ontario	27
9	Sault Ste Marie, Ontario	27
10	Gibbons, Alberta	25

08:00, Apr 29 (local time)

#	station	US AQI
1	Ontario Ministry of the Environment Thunder Bay	24
2	Simon Fraser Drive	8

08:00, Apr 29 (local time)

US AQI

live AQI index
Good

Air pollution level	Air quality index	Main pollutant
Good	25 US AQI	O3

Pollutants		Concentration
PM2.5		2µg/m³
O3		60µg/m³

✓

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
Friday, Apr 26	Good 31 AQI US		42.8° 37.4°	11.2 mp/h
Saturday, Apr 27	Good 24 AQI US		42.8° 30.2°	15.7 mp/h
Sunday, Apr 28	Good 25 AQI US		35.6° 32°	17.9 mp/h
Today	Good 25 AQI US	100%	35.6° 32°	17.9 mp/h
Tuesday, Apr 30	Good 6 AQI US	100%	42.8° 35.6°	11.2 mp/h
Wednesday, May 1	Good 14 AQI US	100%	46.4° 37.4°	15.7 mp/h
Thursday, May 2	Good 8 AQI US		42.8° 35.6°	11.2 mp/h
Friday, May 3	Good 31 AQI US	100%	46.4° 41°	15.7 mp/h
Saturday, May 4	Good 12 AQI US	20%	46.4° 41°	13.4 mp/h
Sunday, May 5	Good 6 AQI US		48.2° 39.2°	11.2 mp/h