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Air quality in Waterloo

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

Last update at 14:00, May 20 (local time)

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#	city	US AQI
1	Burlington, Ontario	58
2	Hamilton, Ontario	56
3	Kitchener, Ontario	54
4	Fort St John, British Columbia	52
5	Mississauga, Ontario	51
6	Lethbridge, Alberta	50
7	Oakville, Ontario	50
8	Toronto, Ontario	50
9	Waterloo, Ontario	47
10	Maniwaki, Quebec	44

14:00, May 20 (local time)

14:00, May 20 (local time)

US AQI

live AQI index
Good

Air pollution level	Air quality index	Main pollutant
Good	47 US AQI	PM2.5

Pollutants		Concentration
PM2.5		8.6µg/m³

PM2.5

x1.7

PM2.5 concentration in Waterloo is currently 1.7 times the WHO annual air quality guideline value

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Day	Pollution level	Weather	Temperature	Wind
Friday, May 17	Good 32 AQI US		73.4° 51.8°	6.7 mp/h
Saturday, May 18	Moderate 55 AQI US		78.8° 53.6°	8.9 mp/h
Sunday, May 19	Good 42 AQI US		80.6° 55.4°	11.2 mp/h
Today	Good 47 AQI US	70%	80.6° 55.4°	11.2 mp/h
Tuesday, May 21	Moderate 62 AQI US	100%	71.6° 62.6°	13.4 mp/h
Wednesday, May 22	Moderate 60 AQI US	70%	77° 59°	17.9 mp/h
Thursday, May 23	Good 32 AQI US	60%	69.8° 53.6°	11.2 mp/h
Friday, May 24	Good 11 AQI US		73.4° 51.8°	8.9 mp/h
Saturday, May 25	Good 33 AQI US	70%	75.2° 51.8°	11.2 mp/h
Sunday, May 26	Moderate 62 AQI US	90%	71.6° 59°	13.4 mp/h