East St. Louis, Illinois, USA Air Quality

Monitoring Station · East Saint Louis, United States
44
Good
Air quality is satisfactory. Enjoy outdoor activities.
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Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
73 1pm
73
73
73 4pm
73
73
53 7pm
53
53
53 10pm
53
46
44 1am
44
44
— 4am
—
—
— 7am
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— 10am
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CAMS model adj +19
54
54
54
54
54
54
34
34
34
34
34
27
25
25
25

Air Quality Forecast (24h)

PM2.510.6 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

30
Forest Park, Missouri, USA
10.7 km PM2.5: 7.2 µg/m³
89
Arnold West, Missouri, USA
27.5 km PM2.5: 30.2 µg/m³
56
Arnold West, Missouri, USA
27.5 km PM2.5: 14.5 µg/m³

Nearby Cities

35 East Saint Louis 35 St. Louis 35 Granite City 35 Lemay 35 University City 35 Clayton 35 Fairview Heights 35 Affton 35 Collinsville

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-07-21T16:50 UTC.