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Air quality in Ontario

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

Last update at 03:00, May 20 (local time)

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#	city	US AQI
1	Deschutes River Woods, Oregon	96
2	Mecca, California	90
3	Thermal, California	81
4	Pahrump, Nevada	80
5	Maricopa, Arizona	77
6	Corpus Christi, Texas	74
7	Coachella, California	73
8	Potomac, Maryland	72
9	Canton, Ohio	71
10	Claremont, California	64

03:00, May 20 (local time)

#	station	US AQI
1	Haven Ave	63
2	Ontario-Route 60 Near Road	41

03:00, 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		8.5µg/m³
NO2		32.9µg/m³

PM2.5

x1.7

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

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Day	Pollution level	Temperature	Wind
Friday, May 17	Moderate 62 AQI US	75.2° 59°	11.2 mp/h
Saturday, May 18	Moderate 55 AQI US	73.4° 55.4°	11.2 mp/h
Sunday, May 19	Good 44 AQI US	73.4° 55.4°	11.2 mp/h
Today	Good 47 AQI US	73.4° 55.4°	11.2 mp/h
Tuesday, May 21	Good 35 AQI US	77° 55.4°	8.9 mp/h
Wednesday, May 22	Good 41 AQI US	78.8° 59°	11.2 mp/h
Thursday, May 23	Good 49 AQI US	73.4° 57.2°	11.2 mp/h
Friday, May 24	Moderate 64 AQI US	69.8° 57.2°	8.9 mp/h
Saturday, May 25	Good 31 AQI US	71.6° 55.4°	11.2 mp/h
Sunday, May 26	Good 31 AQI US	75.2° 57.2°	11.2 mp/h