1901 Walnut St Air Quality

Monitoring Station · Rittenhouse, United States
18
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
18 2am
18
21
21 5am
21
21
21 8am
21
21
21 11am
21
28
28 2pm
28
28
— 5pm
—
—
— 8pm
—
—
— 11pm
—
—
Station readings
18
18
CAMS model adj -6
27
27
27
27
27
27
27
27
27
27
27
34
34
34
34

Air Quality Forecast (24h)

PM2.54.4 µg/m³ ✓ WHO
Good
View city history →

Nearby Monitoring Stations

19
2100 Pine St
0.5 km PM2.5: 4.6 µg/m³
21
1401 John F Kennedy Blvd
0.8 km PM2.5: 5.1 µg/m³
19
315 N 18th St
1.2 km PM2.5: 4.5 µg/m³
18
3312 Walnut St
1.5 km PM2.5: 4.3 µg/m³
18
N 9th St
1.6 km PM2.5: 4.4 µg/m³
18
807 Lombard St
1.7 km PM2.5: 4.3 µg/m³
9
Annin Street, Philadlephia
1.8 km PM2.5: 2.1 µg/m³
18
1358 Ridge Ave, Philadelphia, PA 19123
2.0 km PM2.5: 4.4 µg/m³

Nearby Cities

19 Rittenhouse 21 Philadelphia 19 Center City 18 University City 18 Point Breeze 19 Wharton 18 Pennsport 20 Lower Moyamensing 19 Fishtown

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-06-09T05:47 UTC.