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Air quality near Cottleville Weldon Spring, Saint Charles

Air quality index (AQI) and PM2.5 air pollution near Cottleville Weldon Spring, Saint Charles

Last update at 20:00, May 3 (local time)

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Data source: PurpleAir

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#	city	US AQI
1	Durham, North Carolina	110
2	Chapel Hill, North Carolina	70
3	Lake Arrowhead, California	66
4	Yucaipa, California	66
5	Corpus Christi, Texas	65
6	San Antonio, Texas	64
7	Redlands, California	60
8	San Bernardino, California	59
9	La Crescenta-Montrose, California	58
10	Pahrump, Nevada	58

20:00, May 3 (local time)

#	station	US AQI
1	Orchard Farm	38
2	Cottleville Weldon Spring	17

20:00, May 3 (local time)

US AQI

live AQI index
Good

Air pollution level	Air quality index	Main pollutant
Good	17 US AQI	PM2.5

Pollutants		Concentration
PM2.5		4.1µg/m³

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Day	Pollution level	Weather	Temperature	Wind
Tuesday, Apr 30	Good 17 AQI US
Wednesday, May 1	Good 22 AQI US
Thursday, May 2	Good 11 AQI US
Today	Good 17 AQI US	70%	82.4° 59°	11.2 mp/h
Saturday, May 4	Good 25 AQI US		73.4° 50°	6.7 mp/h
Sunday, May 5	Moderate 52 AQI US	100%	77° 62.6°	6.7 mp/h
Monday, May 6	Moderate 51 AQI US	100%	77° 66.2°	11.2 mp/h
Tuesday, May 7	Moderate 55 AQI US	100%	82.4° 62.6°	15.7 mp/h
Wednesday, May 8	Good 36 AQI US		73.4° 53.6°	13.4 mp/h
Thursday, May 9	Good 9 AQI US		57.2° 48.2°	13.4 mp/h