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Air quality in St Louis

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

Last update at 02:00, Apr 26 (local time)

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#	city	US AQI
1	Palm Desert, California	160
2	Pahrump, Nevada	80
3	North Charleston, South Carolina	75
4	Savannah, Georgia	72
5	Lewisville, Texas	70
6	Charleston, South Carolina	65
7	Columbia, South Carolina	64
8	Dallas, Texas	64
9	Edmond, Oklahoma	61
10	Denton, Texas	59

02:00, Apr 26 (local time)

02:00, Apr 26 (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		5.7µg/m³

PM2.5

x1.1

PM2.5 concentration in St Louis is currently 1.1 times the WHO annual air quality guideline value

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Day	Pollution level	Weather	Temperature	Wind
Tuesday, Apr 23	Good 29 AQI US		66.2° 44.6°	8.9 mp/h
Wednesday, Apr 24	Good 40 AQI US		62.6° 41°	8.9 mp/h
Thursday, Apr 25	Good 25 AQI US		71.6° 51.8°	24.6 mp/h
Today	Good 24 AQI US	100%	71.6° 51.8°	24.6 mp/h
Saturday, Apr 27	Good 49 AQI US	100%	77° 64.4°	20.1 mp/h
Sunday, Apr 28	Moderate 53 AQI US	100%	78.8° 64.4°	20.1 mp/h
Monday, Apr 29	Moderate 55 AQI US	100%	75.2° 62.6°	15.7 mp/h
Tuesday, Apr 30	Moderate 74 AQI US	90%	82.4° 62.6°	13.4 mp/h
Wednesday, May 1	Good 49 AQI US	100%	73.4° 59°	8.9 mp/h
Thursday, May 2	Good 39 AQI US	100%	73.4° 59°	15.7 mp/h