1901 Walnut St Air Quality

Monitoring Station · Rittenhouse, United States
20
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
21 11pm
20
33
35 2am
35
35
35 5am
35
35
35 8am
35
35
35 11am
35
42
— 2pm
—
—
— 5pm
—
—
— 8pm
—
—
Station readings
21
20
CAMS model adj +8
25
25
25
27
27
27
27
27
27
27
27
27
27
27
34

Air Quality Forecast (24h)

PM2.54.7 µg/m³ ✓ WHO
Good
View city history →

Nearby Monitoring Stations

24
2100 Pine St
0.5 km PM2.5: 5.8 µg/m³
25
1401 John F Kennedy Blvd
0.8 km PM2.5: 6.0 µg/m³
22
315 N 18th St
1.2 km PM2.5: 5.2 µg/m³
21
3312 Walnut St
1.5 km PM2.5: 5.0 µg/m³
20
N 9th St
1.6 km PM2.5: 4.9 µg/m³
20
807 Lombard St
1.7 km PM2.5: 4.8 µg/m³
4
Annin Street, Philadlephia
1.8 km PM2.5: 1.0 µg/m³
20
1358 Ridge Ave, Philadelphia, PA 19123
2.0 km PM2.5: 4.9 µg/m³

Nearby Cities

21 Rittenhouse 25 Philadelphia 22 Center City 21 University City 20 Point Breeze 25 Wharton 22 Pennsport 24 Lower Moyamensing 20 Fishtown

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-06-09T02:54 UTC.