N 9th St

Monitoring Station · Center City, United States
40
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
35 4pm
38
40
36 7pm
36
36
36 10pm
36
49
49 1am
49
49
49 4am
49
49
— 7am
—
—
— 10am
—
—
— 1pm
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Station readings
35
38
40
CAMS model adj -1
37
37
37
37
37
37
37
37
50
50
50
50
50
50
50

Air Quality Trend (24h)

PM2.59.7 µg/m³ ✓ WHO
Good

Nearby Monitoring Stations

43
1401 John F Kennedy Blvd
0.9 km PM2.5: 10.3 µg/m³
36
807 Lombard St
1.1 km PM2.5: 8.6 µg/m³
39
315 N 18th St
1.4 km PM2.5: 9.4 µg/m³
37
1358 Ridge Ave, Philadelphia, PA 19123
1.4 km PM2.5: 8.9 µg/m³
36
1901 Walnut St
1.6 km PM2.5: 8.7 µg/m³
40
2100 Pine St
2.0 km PM2.5: 9.5 µg/m³
25
Annin Street, Philadlephia
2.1 km PM2.5: 6.0 µg/m³
40
S Christopher Columbus Blvd
2.1 km PM2.5: 9.7 µg/m³

Nearby Cities

37 Center City 37 Philadelphia 37 Rittenhouse 37 Fishtown 37 Pennsport 37 Wharton 37 Point Breeze 37 University City 37 Hartranft

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-09T19:30 UTC.