Arnold West, Missouri, USA Air Quality

Monitoring Station · Oakville, United States
36
Good
Air quality is satisfactory. Enjoy outdoor activities.
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Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
36 11pm
40
42
42 2am
42
42
42 5am
42
42
40 8am
40
40
40 11am
40
—
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CAMS model adj +15
25
25
27
27
27
27
27
27
27
25
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25
25

Air Quality Forecast (24h)

PM2.58.6 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

34
Arnold West, Missouri, USA
0.0 km PM2.5: 8.2 µg/m³
38
Forest Park, Missouri, USA
22.7 km PM2.5: 9.1 µg/m³
41
East St. Louis, Illinois, USA
27.5 km PM2.5: 9.8 µg/m³

Nearby Cities

44 Oakville 42 Concord 43 Mehlville 41 Affton 41 Lemay 38 Kirkwood 38 Webster Groves 40 Manchester 41 Ballwin

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-06-09T02:12 UTC.