1901 Walnut St

Monitoring Station · Rittenhouse, United States
35
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
35 3pm
34
35
31 6pm
31
31
31 9pm
31
31
44 12am
44
44
44 3am
44
44
— 6am
—
—
— 9am
—
—
— 12pm
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Station readings
35
34
35
CAMS model adj -6
37
37
37
37
37
37
37
37
37
50
50
50
50
50
50

Air Quality Trend (24h)

PM2.58.5 µg/m³ ✓ WHO
Good

Nearby Monitoring Stations

40
2100 Pine St
0.5 km PM2.5: 9.5 µg/m³
41
1401 John F Kennedy Blvd
0.8 km PM2.5: 9.8 µg/m³
39
315 N 18th St
1.2 km PM2.5: 9.3 µg/m³
40
3312 Walnut St
1.5 km PM2.5: 9.5 µg/m³
38
N 9th St
1.6 km PM2.5: 9.2 µg/m³
34
807 Lombard St
1.7 km PM2.5: 8.2 µg/m³
34
Annin Street, Philadlephia
1.8 km PM2.5: 8.1 µg/m³
36
1358 Ridge Ave, Philadelphia, PA 19123
2.0 km PM2.5: 8.7 µg/m³

Nearby Cities

36 Rittenhouse 36 Philadelphia 36 Center City 36 University City 36 Point Breeze 36 Wharton 36 Pennsport 36 Lower Moyamensing 36 Fishtown

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-09T18:52 UTC.