N 9th St Air Quality

Monitoring Station · Center City, United States
17
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
16 11am
17
16
16 2pm
16
15
15 5pm
16
16
16 8pm
16
16
16 11pm
18
18
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Station readings
16
17
CAMS model adj -9
25
25
25
25
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24
24
25
25
25
25
25
25
27
27

Air Quality Forecast (24h)

PM2.54.0 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

18
1401 John F Kennedy Blvd
0.9 km PM2.5: 4.4 µg/m³
16
807 Lombard St
1.1 km PM2.5: 3.8 µg/m³
17
315 N 18th St
1.4 km PM2.5: 4.0 µg/m³
18
1358 Ridge Ave, Philadelphia, PA 19123
1.4 km PM2.5: 4.2 µg/m³
17
1901 Walnut St
1.6 km PM2.5: 4.1 µg/m³
18
2100 Pine St
2.0 km PM2.5: 4.3 µg/m³
6
Annin Street, Philadlephia
2.1 km PM2.5: 1.5 µg/m³
18
S Christopher Columbus Blvd
2.1 km PM2.5: 4.2 µg/m³

Nearby Cities

17 Center City 18 Philadelphia 17 Rittenhouse 17 Fishtown 18 Pennsport 17 Wharton 16 Point Breeze 17 University City 17 Hartranft

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-05-29T14:47 UTC.