4110 Market St Air Quality
Monitoring Station
· University City, United States
15
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading
Nearby Monitoring Stations
GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
Calibrated
15
11am
15
15
15
2pm
15
14
14
5pm
15
15
15
8pm
15
15
15
11pm
17
17
—
2am
—
—
—
5am
—
—
—
8am
—
—
Station readings
15
15
CAMS model
adj -10
25
25
25
25
25
24
24
25
25
25
25
25
25
27
27
Air Quality Forecast (24h)
PM2.53.7 µg/m³
✓ WHO
Good
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1901 Walnut St
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Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-05-29T14:51 UTC.