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Air quality in Saint John

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

Last update at 12:00, May 4 (local time)

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#	city	US AQI
1	Valemount, British Columbia	59
2	Hamilton, Ontario	58
3	Windsor, Ontario	53
4	Golden, British Columbia	44
5	Burlington, Ontario	35
6	St. Albert, Alberta	34
7	Grimshaw, Alberta	30
8	Abbotsford, British Columbia	29
9	Fort St John, British Columbia	29
10	Kitchener, Ontario	29

12:00, May 4 (local time)

#	station	US AQI
1	Castle St. Saint Jo	24
2	Holland Street	12

12:00, May 4 (local time)

US AQI

live AQI index
Good

Air pollution level	Air quality index	Main pollutant
Good	23 US AQI	O3

✓

PM2.5 concentration in Saint John air currently meets the WHO annual air quality guideline value

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Day	Pollution level	Weather	Temperature	Wind
Wednesday, May 1	Good 19 AQI US		57.2° 37.4°	8.9 mp/h
Thursday, May 2	Good 27 AQI US		50° 39.2°	13.4 mp/h
Friday, May 3	Good 25 AQI US		55.4° 39.2°	11.2 mp/h
Today	Good 23 AQI US		55.4° 39.2°	11.2 mp/h
Sunday, May 5	Good 11 AQI US		53.6° 35.6°	8.9 mp/h
Monday, May 6	Good 8 AQI US	100%	46.4° 41°	8.9 mp/h
Tuesday, May 7	Good 16 AQI US		57.2° 42.8°	4.5 mp/h
Wednesday, May 8	Good 5 AQI US		51.8° 37.4°	8.9 mp/h
Thursday, May 9	Good 8 AQI US		53.6° 37.4°	4.5 mp/h
Friday, May 10	Good 9 AQI US	100%	44.6° 41°	13.4 mp/h