N 9th St Air Quality

Monitoring Station · Center City, United States

25

Good

Air quality is satisfactory. Enjoy outdoor activities.

Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous

AQI Forecast

25 6pm

25

25

25 9pm

25

25

27 12am

34

27

27 3am

27

25

25 6am

25

25

— 9am

—

—

— 12pm

—

—

— 3pm

—

—

Station readings

25

25

CAMS model

25

25

25

25

25

25

27

34

27

27

27

25

25

25

25

Air Quality Forecast (24h)

PM2.56.0 µg/m³ ✓ WHO

Good

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Nearby Monitoring Stations

1401 John F Kennedy Blvd

0.9 km PM2.5: 6.2 µg/m³

1.1 km PM2.5: 5.5 µg/m³

1.4 km PM2.5: 5.7 µg/m³

1358 Ridge Ave, Philadelphia, PA 19123

1.4 km PM2.5: 5.4 µg/m³

1.6 km PM2.5: 5.2 µg/m³

2.0 km PM2.5: 6.0 µg/m³

Annin Street, Philadlephia

2.1 km PM2.5: 3.5 µg/m³

S Christopher Columbus Blvd

2.1 km PM2.5: 5.7 µg/m³

Nearby Cities

24 Center City 25 Philadelphia 23 Rittenhouse 24 Fishtown 23 Pennsport 23 Wharton 29 Point Breeze 24 University City 23 Hartranft

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-09-05T21:34 UTC.