Houston, Illinois, USA Air Quality

Monitoring Station · Belleville, United States
41
Good
Air quality is satisfactory. Enjoy outdoor activities.
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Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
10 2am
3
3
3 5am
3
3
3 8am
3
3
3 11am
10
10
30 2pm
30
30
— 5pm
—
—
— 8pm
—
—
— 11pm
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—
CAMS model adj -24
34
27
27
27
27
27
27
27
27
27
34
34
54
54
54

Air Quality Forecast (24h)

PM2.59.8 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

41
Houston, Illinois, USA
0.0 km PM2.5: 9.8 µg/m³
39
Houston, Illinois, USA
0.0 km PM2.5: 9.4 µg/m³

Nearby Cities

54 Belleville 54 O'Fallon 54 Fairview Heights 50 Oakville 54 Collinsville 49 Lemay 54 East Saint Louis 49 Mehlville 53 St. Louis

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-08T05:43 UTC.