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Air quality in Helena

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

Last update at 05:00, May 15 (local time)

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#	city	US AQI
1	Palm Desert, California	120
2	Coachella, California	97
3	Lincoln, Nebraska	91
4	Mecca, California	90
5	Oklahoma City, Oklahoma	90
6	St Louis, Missouri	89
7	Deschutes River Woods, Oregon	88
8	Wichita, Kansas	86
9	Edmond, Oklahoma	84
10	Little Rock, Arkansas	82

05:00, May 15 (local time)

#	station	US AQI
1	Rossiter Pump House	46
2	Helena - NCORE	30
3	Bison Engineering Helena	22
4	Eames Lane	20
5	Cooney Drive	19
6	Orange Street	18
7	Clancy Street	15
8	Willowbrook Drive	14
9	Craig Missouri River Ranches Air Quality Monitoring Station	12
10	Mount Helena Drive 2	10

05:00, May 15 (local time)

US AQI

live AQI index
Good

Air pollution level	Air quality index	Main pollutant
Good	18 US AQI	PM2.5

Pollutants		Concentration
PM2.5		3.3µg/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
Sunday, May 12	Good 34 AQI US		73.4° 50°	17.9 mp/h
Monday, May 13	Good 38 AQI US		60.8° 50°	8.9 mp/h
Tuesday, May 14	Good 30 AQI US		69.8° 42.8°	11.2 mp/h
Today	Good 18 AQI US	80%	69.8° 42.8°	11.2 mp/h
Thursday, May 16	Good 13 AQI US		73.4° 48.2°	17.9 mp/h
Friday, May 17	Good 9 AQI US		59° 44.6°	22.4 mp/h
Saturday, May 18	Good 6 AQI US		66.2° 37.4°	11.2 mp/h
Sunday, May 19	Good 8 AQI US		55.4° 42.8°	15.7 mp/h
Monday, May 20	Good 6 AQI US		60.8° 35.6°	15.7 mp/h
Tuesday, May 21	Good 5 AQI US	20%	60.8° 41°	8.9 mp/h