city

Air quality in St Louis

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

Last update at 14:00, Apr 28 (local time)

1.9K people follow this city

AIR QUALITY DATA CONTRIBUTORS

4 Stations operated by

4 Contributors

See all

Join the movement!

Get a monitor and contributor to air quality data in your city.

#	city	US AQI
1	Corpus Christi, Texas	62
2	Harrisburg, Pennsylvania	62
3	Lancaster, Pennsylvania	59
4	The Woodlands, Texas	59
5	Carlisle, Pennsylvania	58
6	Elizabethtown, Pennsylvania	58
7	Galveston, Texas	58
8	Kalamazoo, Michigan	57
9	Allentown, Pennsylvania	55
10	Ann Arbor, Michigan	52

14:00, Apr 28 (local time)

14:00, Apr 28 (local time)

US AQI

live AQI index
Good

Air pollution level	Air quality index	Main pollutant
Good	21 US AQI	PM2.5

Pollutants		Concentration
PM2.5		5µg/m³

✓

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

	Enjoy outdoor activities
	Open your windows to bring clean, fresh air indoors

Day	Pollution level	Weather	Temperature	Wind
Thursday, Apr 25	Good 24 AQI US		68° 51.8°	22.4 mp/h
Friday, Apr 26	Good 21 AQI US		73.4° 62.6°	15.7 mp/h
Saturday, Apr 27	Good 38 AQI US		75.2° 64.4°	17.9 mp/h
Today	Good 21 AQI US	90%	75.2° 64.4°	17.9 mp/h
Monday, Apr 29	Good 44 AQI US	100%	75.2° 59°	13.4 mp/h
Tuesday, Apr 30	Good 35 AQI US		80.6° 55.4°	11.2 mp/h
Wednesday, May 1	Good 42 AQI US	70%	86° 62.6°	11.2 mp/h
Thursday, May 2	Good 48 AQI US	100%	80.6° 66.2°	17.9 mp/h
Friday, May 3	Moderate 54 AQI US	100%	69.8° 53.6°	20.1 mp/h
Saturday, May 4	Good 12 AQI US		69.8° 50°	8.9 mp/h