East St. Louis, Illinois, USA Air Quality

Monitoring Station · East Saint Louis, United States
52
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
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Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
52 3pm
33
33
33 6pm
33
33
33 9pm
33
33
33 12am
33
33
33 3am
33
33
— 6am
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— 9am
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— 12pm
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CAMS model adj -1
54
34
34
34
34
34
34
34
34
34
34
34
34
34
34

Air Quality Forecast (24h)

PM2.512.6 µg/m³ ✓ WHO
Moderate
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Nearby Monitoring Stations

52
East St. Louis, Illinois, USA
0.0 km PM2.5: 12.6 µg/m³
52
Forest Park, Missouri, USA
10.7 km PM2.5: 12.6 µg/m³
35
Ladue, Missouri, USA
17.0 km PM2.5: 8.4 µg/m³
46
Arnold West, Missouri, USA
27.5 km PM2.5: 11.0 µg/m³
49
Arnold West, Missouri, USA
27.5 km PM2.5: 11.8 µg/m³
72
Arnold West, Missouri, USA
27.5 km PM2.5: 22.1 µg/m³
48
Arnold West, Missouri, USA
27.5 km PM2.5: 11.5 µg/m³
68
Arnold West, Missouri, USA
27.5 km PM2.5: 20.2 µg/m³

Nearby Cities

44 East Saint Louis 42 St. Louis 40 Granite City 43 Lemay 35 University City 32 Clayton 44 Fairview Heights 42 Affton 44 Collinsville

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-09-05T18:55 UTC.