Blair Street, Missouri, USA Air Quality

Monitoring Station · St. Louis, United States
41
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
50 12am
41
44
44 3am
24
24
24 6am
24
24
24 9am
24
24
24 12pm
24
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Station readings
50
41
CAMS model adj -10
54
54
54
54
34
34
34
34
34
34
34
34
34
34

Air Quality Forecast (24h)

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

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East St. Louis, Illinois, USA
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36
Forest Park, Missouri, USA
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55
Ladue, Missouri, USA
13.2 km PM2.5: 14.0 µg/m³
23
Ladue, Missouri, USA
13.2 km PM2.5: 5.5 µg/m³
31
Arnold West, Missouri, USA
28.9 km PM2.5: 7.4 µg/m³
35
Arnold West, Missouri, USA
28.9 km PM2.5: 8.4 µg/m³

Nearby Cities

53 St. Louis 54 East Saint Louis 52 Granite City 41 University City 40 Clayton 44 Ferguson 48 Spanish Lake 41 Overland 49 Lemay

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-08T03:00 UTC.