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Air quality in Waterloo

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

Last update at 22:00, May 17 (local time)

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#	city	US AQI
1	Edmundston, New Brunswick	64
2	Kitchener, Ontario	55
3	London, Ontario	54
4	Mississauga, Ontario	48
5	Rouyn-Noranda, Quebec	48
6	Valemount, British Columbia	47
7	Hamilton, Ontario	44
8	Montreal, Quebec	44
9	Oakville, Ontario	43
10	Saint-Bruno-de-Montarville, Quebec	43

22:00, May 17 (local time)

22:00, May 17 (local time)

US AQI

live AQI index
Good

Air pollution level	Air quality index	Main pollutant
Good	35 US AQI	PM2.5

Pollutants		Concentration
PM2.5		6.4µg/m³

PM2.5

x1.3

PM2.5 concentration in Waterloo is currently 1.3 times the WHO annual air quality guideline value

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Day	Pollution level	Weather	Temperature	Wind
Tuesday, May 14	Moderate 59 AQI US		64.4° 48.2°	11.2 mp/h
Wednesday, May 15	Moderate 58 AQI US		69.8° 50°	8.9 mp/h
Thursday, May 16	Moderate 54 AQI US		64.4° 53.6°	8.9 mp/h
Today	Good 35 AQI US		71.6° 53.6°	6.7 mp/h
Saturday, May 18	Moderate 66 AQI US	30%	77° 53.6°	8.9 mp/h
Sunday, May 19	Moderate 64 AQI US	40%	77° 57.2°	8.9 mp/h
Monday, May 20	Moderate 63 AQI US	60%	77° 60.8°	13.4 mp/h
Tuesday, May 21	Moderate 65 AQI US	100%	75.2° 62.6°	22.4 mp/h
Wednesday, May 22	Good 47 AQI US	100%	60.8° 41°	20.1 mp/h
Thursday, May 23	Good 8 AQI US		55.4° 39.2°	15.7 mp/h