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Air quality in Guelph

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

Last update at 19:00, Apr 25 (local time)

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#	city	US AQI
1	Yellowknife, Northwest Territories	49
2	Calgary, Alberta	41
3	Gibbons, Alberta	41
4	Quesnel, British Columbia	41
5	Cold Lake, Alberta	40
6	London, Ontario	40
7	Patricia Mcinnes, Alberta	40
8	Fort Mckay, Alberta	37
9	Lac La Biche, Alberta	37
10	Sherwood Park, Alberta	37

19:00, Apr 25 (local time)

#	station	US AQI
1	Guelph Old City	29
2	Ontario Ministry of the Environment Guelph	28

19:00, Apr 25 (local time)

US AQI

live AQI index
Good

Air pollution level	Air quality index	Main pollutant
Good	29 US AQI	O3

PM2.5

x1.2

PM2.5 concentration in Guelph is currently 1.2 times the WHO annual air quality guideline value

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Day	Pollution level	Weather	Temperature	Wind
Monday, Apr 22	Good 37 AQI US		57.2° 41°	22.4 mp/h
Tuesday, Apr 23	Good 30 AQI US		46.4° 33.8°	15.7 mp/h
Wednesday, Apr 24	Good 26 AQI US		48.2° 30.2°	8.9 mp/h
Wednesday, Apr 24	Good 20 AQI US		48.2° 30.2°	8.9 mp/h
Today	Good 29 AQI US		53.6° 32°	13.4 mp/h
Friday, Apr 26	Good 32 AQI US	100%	55.4° 39.2°	13.4 mp/h
Saturday, Apr 27	Good 50 AQI US	100%	68° 57.2°	13.4 mp/h
Sunday, Apr 28	Moderate 52 AQI US	100%	69.8° 55.4°	13.4 mp/h
Monday, Apr 29	Moderate 58 AQI US	90%	66.2° 57.2°	11.2 mp/h
Tuesday, Apr 30	Good 49 AQI US	70%	62.6° 46.4°	22.4 mp/h
Wednesday, May 1	Good 13 AQI US		53.6° 39.2°	17.9 mp/h