Annin Street, Philadlephia Air Quality
Monitoring Station
· Wharton, United States
21
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading
Nearby Monitoring Stations
GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
Calibrated
15
11pm
21
37
37
2am
37
37
37
5am
37
30
30
8am
30
37
37
11am
30
30
—
2pm
—
—
—
5pm
—
—
—
8pm
—
—
Station readings
15
21
CAMS model
adj +3
34
54
34
34
34
34
34
34
27
27
27
34
34
27
27
Air Quality Forecast (24h)
PM2.55.0 µg/m³
✓ WHO
Good
PM105.0 µg/m³
Good
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Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-08T02:11 UTC.