Annin Street, Philadlephia Air Quality
Monitoring Station
· Wharton, United States
4
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading
Nearby Monitoring Stations
GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
Calibrated
34
11pm
34
7
4
2am
36
36
36
5am
36
36
36
8am
36
36
36
11am
36
43
—
2pm
—
—
—
5pm
—
—
—
8pm
—
—
Station readings
7
4
CAMS model
adj +9
25
25
25
27
27
27
27
27
27
27
27
27
27
27
34
Air Quality Forecast (24h)
PM2.51.0 µg/m³
✓ WHO
Good
PM101.0 µg/m³
Good
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Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-06-09T02:42 UTC.