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Air quality in Helena-West Helena

Air quality index (AQI) and PM2.5 air pollution in Helena-West Helena

Last update at 12:00, Apr 24 (local time)

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#	city	US AQI
1	Maricopa, Arizona	150
2	Deschutes River Woods, Oregon	118
3	Casa Grande, Arizona	82
4	Coachella, California	82
5	Hamilton, Montana	81
6	Palm Desert, California	78
7	Savannah, Georgia	71
8	Thermal, California	71
9	Bend, Oregon	70
10	Anchorage, Alaska	69

12:00, Apr 24 (local time)

#	station	US AQI
1	Helena	24

12:00, Apr 24 (local time)

US AQI

live AQI index
Good

Air pollution level	Air quality index	Main pollutant
Good	24 US AQI	PM2.5

Pollutants		Concentration
PM2.5		5.9µg/m³

PM2.5

x1.2

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

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Day	Pollution level	Weather	Temperature	Wind
Sunday, Apr 21	Good 18 AQI US		66.2° 42.8°	6.7 mp/h
Monday, Apr 22	Good 19 AQI US		73.4° 46.4°	15.7 mp/h
Tuesday, Apr 23	Good 24 AQI US		75.2° 59°	11.2 mp/h
Today	Good 24 AQI US		75.2° 59°	11.2 mp/h
Thursday, Apr 25	Good 30 AQI US	100%	71.6° 55.4°	11.2 mp/h
Friday, Apr 26	Good 48 AQI US		77° 60.8°	17.9 mp/h
Saturday, Apr 27	Good 50 AQI US	50%	82.4° 64.4°	20.1 mp/h
Sunday, Apr 28	Moderate 55 AQI US	30%	80.6° 62.6°	20.1 mp/h
Monday, Apr 29	Moderate 74 AQI US	100%	69.8° 62.6°	15.7 mp/h
Tuesday, Apr 30	Moderate 70 AQI US	40%	75.2° 60.8°	8.9 mp/h