Forest Park, Missouri, USA Air Quality

Monitoring Station · University City, United States
52
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
25 3pm
28
52
22 6pm
22
22
22 9pm
22
22
22 12am
42
42
42 3am
42
42
— 6am
—
—
— 9am
—
—
— 12pm
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Station readings
25
28
52
CAMS model adj -12
54
34
34
34
34
34
34
34
34
34
54
54
54
54
54

Air Quality Forecast (24h)

PM2.512.6 µg/m³ ✓ WHO
Moderate
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52
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52
East St. Louis, Illinois, USA
10.7 km PM2.5: 12.6 µg/m³
46
Arnold West, Missouri, USA
22.7 km PM2.5: 11.0 µg/m³
49
Arnold West, Missouri, USA
22.7 km PM2.5: 11.8 µg/m³
72
Arnold West, Missouri, USA
22.7 km PM2.5: 22.1 µg/m³
48
Arnold West, Missouri, USA
22.7 km PM2.5: 11.5 µg/m³
68
Arnold West, Missouri, USA
22.7 km PM2.5: 20.2 µg/m³

Nearby Cities

35 University City 32 Clayton 42 St. Louis 36 Webster Groves 42 Affton 32 Overland 43 Lemay 44 East Saint Louis 38 Kirkwood

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