3312 Walnut St Air Quality

Monitoring Station · University City, United States
21
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
22 11pm
21
36
38 2am
38
38
38 5am
38
38
38 8am
38
38
38 11am
38
45
2pm
5pm
8pm
Station readings
22
21
CAMS model adj +11
25
25
25
27
27
27
27
27
27
27
27
27
27
27
34
PM2.55.0 µg/m³ ✓ WHO
Good
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Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-06-09T02:43 UTC.