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Air quality in Guelph

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

Last update at 20:00, May 19 (local time)

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#	city	US AQI
1	Fort St John, British Columbia	76
2	Oakville, Ontario	70
3	Chetwynd, British Columbia	62
4	Kitchener, Ontario	55
5	Calgary, Alberta	51
6	Rouyn-Noranda, Quebec	50
7	Edmundston, New Brunswick	49
8	Valemount, British Columbia	45
9	London, Ontario	42
10	Saguenay, Quebec	42

20:00, May 19 (local time)

#	station	US AQI
1	Ontario Ministry of the Environment Guelph	53
2	Guelph Old City	33

20:00, May 19 (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		7.5µg/m³

PM2.5

x1.5

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

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Day	Pollution level	Weather	Temperature	Wind
Thursday, May 16	Moderate 61 AQI US		64.4° 53.6°	8.9 mp/h
Friday, May 17	Moderate 52 AQI US		69.8° 51.8°	6.7 mp/h
Saturday, May 18	Moderate 53 AQI US		77° 53.6°	6.7 mp/h
Today	Good 41 AQI US	40%	77° 57.2°	11.2 mp/h
Monday, May 20	Moderate 63 AQI US	60%	77° 60.8°	8.9 mp/h
Tuesday, May 21	Moderate 61 AQI US	100%	77° 60.8°	20.1 mp/h
Wednesday, May 22	Good 37 AQI US	100%	66.2° 50°	13.4 mp/h
Thursday, May 23	Good 11 AQI US		68° 42.8°	8.9 mp/h
Friday, May 24	Good 33 AQI US		69.8° 51.8°	13.4 mp/h
Saturday, May 25	Moderate 62 AQI US	90%	69.8° 51.8°	11.2 mp/h