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Air quality in Thunder Bay

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

Last update at 06:00, Jul 24 (local time)

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#	city	US AQI
1	Golden, British Columbia	193
2	Fort Mckay, Alberta	181
3	Calgary, Alberta	171
4	Airdrie, Alberta	165
5	Patricia Mcinnes, Alberta	147
6	Canmore, Alberta	138
7	Saskatoon, Saskatchewan	129
8	Yellowknife, Northwest Territories	127
9	Regional District of Central Kootenay, British Columbia	125
10	Regina, Saskatchewan	124

06:00, Jul 24 (local time)

#	station	US AQI
1	Bears' Cave	31
2	Ontario Ministry of the Environment Thunder Bay	28
3	Simon Fraser Drive	16

06:00, Jul 24 (local time)

US AQI

live AQI index
Good

Air pollution level	Air quality index	Main pollutant
Good	29 US AQI	PM2.5

Pollutants		Concentration
PM2.5		5.3µg/m³
NO2		6.8µg/m³

PM2.5

x1.1

PM2.5 concentration in Thunder Bay is currently 1.1 times the WHO annual air quality guideline value

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Day	Pollution level	Weather	Temperature	Wind
Sunday, Jul 21	Good 28 AQI US		66.2° 53.6°	6.7 mp/h
Monday, Jul 22	Good 21 AQI US		64.4° 51.8°	8.9 mp/h
Tuesday, Jul 23	Good 28 AQI US		66.2° 50°	6.7 mp/h
Today	Good 29 AQI US		66.2° 50°	6.7 mp/h
Thursday, Jul 25	Moderate 57 AQI US		73.4° 51.8°	8.9 mp/h
Friday, Jul 26	Moderate 56 AQI US		73.4° 55.4°	11.2 mp/h
Saturday, Jul 27	Moderate 58 AQI US	60%	80.6° 59°	15.7 mp/h
Sunday, Jul 28	Moderate 63 AQI US	70%	77° 62.6°	11.2 mp/h
Monday, Jul 29	Moderate 74 AQI US	100%	69.8° 59°	11.2 mp/h
Tuesday, Jul 30	Moderate 64 AQI US		82.4° 60.8°	8.9 mp/h