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Air quality in Waterloo

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

Last update at 05:00, Apr 29 (local time)

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#	city	US AQI
1	London, Ontario	70
2	Valemount, British Columbia	59
3	Waterloo, Ontario	47
4	Kitchener, Ontario	46
5	Hamilton, Ontario	45
6	Lethbridge, Alberta	36
7	Calgary, Alberta	32
8	Abbotsford, British Columbia	31
9	Burlington, Ontario	31
10	Kamloops, British Columbia	31

05:00, Apr 29 (local time)

05:00, Apr 29 (local time)

US AQI

live AQI index
Good

Air pollution level	Air quality index	Main pollutant
Good	49 US AQI	PM2.5

Pollutants		Concentration
PM2.5		11.9µg/m³

PM2.5

x2.4

PM2.5 concentration in Waterloo is currently 2.4 times the WHO annual air quality guideline value

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Day	Pollution level	Weather	Temperature	Wind
Friday, Apr 26	Good 21 AQI US		68° 41°	17.9 mp/h
Saturday, Apr 27	Good 42 AQI US		66.2° 57.2°	15.7 mp/h
Sunday, Apr 28	Good 43 AQI US		59° 48.2°	13.4 mp/h
Today	Good 49 AQI US	100%	59° 48.2°	13.4 mp/h
Tuesday, Apr 30	Good 35 AQI US	100%	64.4° 50°	13.4 mp/h
Wednesday, May 1	Good 35 AQI US		68° 46.4°	11.2 mp/h
Thursday, May 2	Good 41 AQI US		66.2° 48.2°	6.7 mp/h
Friday, May 3	Moderate 58 AQI US	90%	71.6° 50°	13.4 mp/h
Saturday, May 4	Moderate 60 AQI US		62.6° 50°	13.4 mp/h
Sunday, May 5	Good 21 AQI US		68° 48.2°	11.2 mp/h