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 7pm
20
21
21 10pm
21
21
21 1am
21
21
21 4am
21
21
21 7am
21
21
— 10am
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— 1pm
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— 4pm
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Station readings
21
20
CAMS model adj -4
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25

Air Quality Trend (24h)

PM2.54.9 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

22
2100 Pine St
0.5 km PM2.5: 5.2 µg/m³
22
1401 John F Kennedy Blvd
0.8 km PM2.5: 5.3 µg/m³
21
315 N 18th St
1.2 km PM2.5: 5.1 µg/m³
22
3312 Walnut St
1.5 km PM2.5: 5.2 µg/m³
21
N 9th St
1.6 km PM2.5: 5.1 µg/m³
20
807 Lombard St
1.7 km PM2.5: 4.8 µg/m³
6
Annin Street, Philadlephia
1.8 km PM2.5: 1.5 µg/m³
21
1358 Ridge Ave, Philadelphia, PA 19123
2.0 km PM2.5: 5.1 µg/m³

Nearby Cities

21 Rittenhouse 22 Philadelphia 21 Center City 21 University City 28 Point Breeze 20 Wharton 21 Pennsport 21 Lower Moyamensing 21 Fishtown

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-05-28T22:58 UTC.