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Air quality in Lewistown

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

Last update at 17:00, May 28 (local time)

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Montana Department of Environmental Quality

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#	city	US AQI
1	Corpus Christi, Texas	87
2	Pasadena, California	82
3	San Gabriel, California	82
4	Altadena, California	81
5	Sierra Madre, California	81
6	Monrovia, California	80
7	La Canada Flintridge, California	77
8	La Verne, California	77
9	La Crescenta-Montrose, California	75
10	Claremont, California	73

17:00, May 28 (local time)

#	station	US AQI
1	Lewistown Station	43

17:00, May 28 (local time)

US AQI

live AQI index
Good

Air pollution level	Air quality index	Main pollutant
Good	8 US AQI	PM2.5

Pollutants		Concentration
PM2.5		1.4µg/m³
PM10		6µg/m³

✓

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

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Day	Pollution level	Weather	Temperature	Wind
Saturday, May 25	Good 34 AQI US		60.8° 39.2°	22.4 mp/h
Sunday, May 26	Good 36 AQI US		66.2° 39.2°	8.9 mp/h
Monday, May 27	Good 34 AQI US		78.8° 46.4°	11.2 mp/h
Monday, May 27	Moderate 57 AQI US		78.8° 46.4°	11.2 mp/h
Today	Good 8 AQI US	100%	64.4° 44.6°	15.7 mp/h
Wednesday, May 29	Good 6 AQI US	90%	46.4° 39.2°	24.6 mp/h
Thursday, May 30	Good 6 AQI US		59° 37.4°	13.4 mp/h
Friday, May 31	Good 9 AQI US	40%	66.2° 44.6°	6.7 mp/h
Saturday, Jun 1	Good 20 AQI US		64.4° 44.6°	11.2 mp/h
Sunday, Jun 2	Good 19 AQI US		64.4° 50°	15.7 mp/h
Monday, Jun 3	Moderate 62 AQI US	100%	59° 46.4°	29.1 mp/h