Annin Street, Philadlephia
Monitoring Station
· Wharton, United States
34
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading
Nearby Monitoring Stations
GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
Calibrated
26
3pm
45
33
34
6pm
29
29
29
9pm
29
29
42
12am
42
42
42
3am
42
42
—
6am
—
—
—
9am
—
—
—
12pm
—
—
Station readings
26
45
33
34
CAMS model
adj -8
37
37
37
37
37
37
37
37
37
50
50
50
50
50
50
Air Quality Trend (24h)
PM2.58.1 µg/m³
✓ WHO
Good
PM108.9 µg/m³
Good
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Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-09T18:51 UTC.