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Air quality in Waterloo

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

Last update at 15:00, May 18 (local time)

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#	city	US AQI
1	Hamilton, Ontario	59
2	Valemount, British Columbia	56
3	Levis, Quebec	55
4	Mississauga, Ontario	54
5	Toronto, Ontario	54
6	Sault Ste Marie, Ontario	53
7	Saguenay, Quebec	50
8	Kitchener, Ontario	49
9	Burlington, Ontario	47
10	Fort St John, British Columbia	45

15:00, May 18 (local time)

15:00, May 18 (local time)

US AQI

live AQI index
Good

Air pollution level	Air quality index	Main pollutant
Good	41 US AQI	PM2.5

Pollutants		Concentration
PM2.5		7.4µg/m³

PM2.5

x1.5

PM2.5 concentration in Waterloo is currently 1.5 times the WHO annual air quality guideline value

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Day	Pollution level	Weather	Temperature	Wind
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
Friday, May 17	Good 30 AQI US		71.6° 51.8°	6.7 mp/h
Today	Good 41 AQI US		71.6° 51.8°	6.7 mp/h
Sunday, May 19	Moderate 70 AQI US	50%	77° 53.6°	6.7 mp/h
Monday, May 20	Moderate 64 AQI US	40%	77° 55.4°	8.9 mp/h
Tuesday, May 21	Moderate 63 AQI US	70%	78.8° 62.6°	11.2 mp/h
Wednesday, May 22	Moderate 58 AQI US	100%	75.2° 59°	17.9 mp/h
Thursday, May 23	Good 44 AQI US	100%	59° 48.2°	15.7 mp/h
Friday, May 24	Good 8 AQI US		69.8° 44.6°	4.5 mp/h