Arnold West, Missouri, USA Air Quality

Monitoring Station · Oakville, United States
38
Good
Air quality is satisfactory. Enjoy outdoor activities.
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Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
38 12pm
20
20
20 3pm
20
20
20 6pm
20
20
20 9pm
20
20
20 12am
29
29
— 3am
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— 6am
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CAMS model adj -5
25
25
25
25
25
25
25
25
25
25
25
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25
34
34

Air Quality Forecast (24h)

PM2.59.1 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

15
Arnold West, Missouri, USA
0.0 km PM2.5: 3.6 µg/m³
24
Forest Park, Missouri, USA
22.7 km PM2.5: 5.8 µg/m³
30
East St. Louis, Illinois, USA
27.5 km PM2.5: 7.2 µg/m³

Nearby Cities

37 Oakville 37 Concord 38 Mehlville 38 Affton 39 Lemay 37 Kirkwood 37 Webster Groves 35 Manchester 35 Ballwin

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-05-29T15:26 UTC.