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 Calibrated
26 4pm
25
26
26 7pm
26
26
26 10pm
26
28
35 1am
28
28
28 4am
26
26
— 7am
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—
— 10am
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— 1pm
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Station readings
26
25
CAMS model adj +1
27
27
25
25
25
25
25
25
27
34
27
27
27
25
25

Air Quality Forecast (24h)

PM2.56.1 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

26
1401 John F Kennedy Blvd
0.9 km PM2.5: 6.2 µg/m³
24
807 Lombard St
1.1 km PM2.5: 5.8 µg/m³
24
315 N 18th St
1.4 km PM2.5: 5.8 µg/m³
24
1358 Ridge Ave, Philadelphia, PA 19123
1.4 km PM2.5: 5.7 µg/m³
22
1901 Walnut St
1.6 km PM2.5: 5.3 µg/m³
25
2100 Pine St
2.0 km PM2.5: 6.0 µg/m³
10
Annin Street, Philadlephia
2.1 km PM2.5: 2.3 µg/m³
25
S Christopher Columbus Blvd
2.1 km PM2.5: 6.0 µg/m³

Nearby Cities

25 Center City 26 Philadelphia 23 Rittenhouse 24 Fishtown 24 Pennsport 23 Wharton 25 Point Breeze 25 University City 23 Hartranft

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-09-05T19:30 UTC.