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Air quality in Helena

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

Last update at 00:00, Apr 27 (local time)

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#	city	US AQI
1	Yosemite Np Turtleback Dome, California	83
2	Corpus Christi, Texas	82
3	Georgetown, Texas	66
4	Maricopa, Arizona	65
5	The Woodlands, Texas	65
6	Waynesville, North Carolina	64
7	Gatlinburg, Tennessee	63
8	Chattanooga, Tennessee	62
9	Round Rock, Texas	61
10	Alpharetta, Georgia	60

00:00, Apr 27 (local time)

#	station	US AQI
1	Helena - NCORE	36
2	Rossiter Pump House	33
3	Craig Missouri River Ranches Air Quality Monitoring Station	23
4	Clancy Street	19
5	West Main Street	18
6	Mount Helena Drive	17
7	Orange Street	17
8	Bison Engineering Helena	16
9	Cooney Drive	16
10	Eames Lane	16

00:00, Apr 27 (local time)

US AQI

live AQI index
Good

Air pollution level	Air quality index	Main pollutant
Good	16 US AQI	PM2.5

Pollutants		Concentration
PM2.5		4µg/m³

✓

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

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Day	Pollution level	Weather	Temperature	Wind
Wednesday, Apr 24	Good 36 AQI US		64.4° 42.8°	6.7 mp/h
Thursday, Apr 25	Good 35 AQI US		57.2° 42.8°	11.2 mp/h
Friday, Apr 26	Good 38 AQI US		48.2° 41°	4.5 mp/h
Today	Good 16 AQI US	100%	48.2° 41°	4.5 mp/h
Sunday, Apr 28	Good 8 AQI US		57.2° 37.4°	15.7 mp/h
Monday, Apr 29	Good 5 AQI US	70%	50° 37.4°	15.7 mp/h
Tuesday, Apr 30	Good 4 AQI US		48.2° 32°	17.9 mp/h
Wednesday, May 1	Good 4 AQI US	80%	46.4° 32°	15.7 mp/h
Thursday, May 2	Good 6 AQI US	80%	44.6° 32°	8.9 mp/h
Friday, May 3	Good 5 AQI US	50%	48.2° 32°	11.2 mp/h