1901 Walnut St Air Quality

Monitoring Station · Rittenhouse, United States
46
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
43 5pm
45
46
30 8pm
30
30
30 11pm
30
30
30 2am
30
30
30 5am
30
30
— 8am
—
—
— 11am
—
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— 2pm
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Station readings
43
45
46
CAMS model adj +3
34
34
27
27
27
27
27
27
27
27
27
27
27
27
27

Air Quality Forecast (24h)

PM2.511.1 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

52
2100 Pine St
0.5 km PM2.5: 12.7 µg/m³
53
1401 John F Kennedy Blvd
0.8 km PM2.5: 13.1 µg/m³
52
315 N 18th St
1.2 km PM2.5: 12.6 µg/m³
53
3312 Walnut St
1.5 km PM2.5: 13.0 µg/m³
48
N 9th St
1.6 km PM2.5: 11.4 µg/m³
48
807 Lombard St
1.7 km PM2.5: 11.6 µg/m³
67
Annin Street, Philadlephia
1.8 km PM2.5: 19.6 µg/m³
48
1358 Ridge Ave, Philadelphia, PA 19123
2.0 km PM2.5: 11.5 µg/m³

Nearby Cities

48 Rittenhouse 53 Philadelphia 50 Center City 52 University City 49 Point Breeze 52 Wharton 52 Pennsport 52 Lower Moyamensing 49 Fishtown

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-07-21T20:52 UTC.