1901 Walnut St Air Quality

Monitoring Station · Rittenhouse, United States
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
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Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
25 11pm
60
40
40 2am
40
40
40 5am
40
33
33 8am
33
40
40 11am
33
33
— 2pm
—
—
— 5pm
—
—
— 8pm
—
—
CAMS model adj +6
34
54
34
34
34
34
34
34
27
27
27
34
34
27
27

Air Quality Forecast (24h)

PM2.56.0 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

30
2100 Pine St
0.5 km PM2.5: 7.2 µg/m³
27
1401 John F Kennedy Blvd
0.8 km PM2.5: 6.4 µg/m³
25
315 N 18th St
1.2 km PM2.5: 5.9 µg/m³
28
3312 Walnut St
1.5 km PM2.5: 6.6 µg/m³
26
N 9th St
1.6 km PM2.5: 6.2 µg/m³
26
807 Lombard St
1.7 km PM2.5: 6.2 µg/m³
21
Annin Street, Philadlephia
1.8 km PM2.5: 5.0 µg/m³
23
1358 Ridge Ave, Philadelphia, PA 19123
2.0 km PM2.5: 5.6 µg/m³

Nearby Cities

52 Rittenhouse 51 Philadelphia 51 Center City 50 University City 52 Point Breeze 51 Wharton 49 Pennsport 50 Lower Moyamensing 45 Fishtown

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-08T02:09 UTC.