3312 Walnut St Air Quality

Monitoring Station · University City, United States
53
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
52 6pm
53
36
36 9pm
36
36
36 12am
36
36
36 3am
36
36
36 6am
36
—
— 9am
—
—
— 12pm
—
—
— 3pm
—
—
Station readings
52
53
CAMS model adj +9
34
27
27
27
27
27
27
27
27
27
27
27
27
27

Air Quality Forecast (24h)

PM2.513.0 µg/m³ ✓ WHO
Moderate
View city history →

Nearby Monitoring Stations

47
4110 Market St
1.3 km PM2.5: 11.2 µg/m³
52
2100 Pine St
1.4 km PM2.5: 12.7 µg/m³
46
1901 Walnut St
1.5 km PM2.5: 11.1 µg/m³
50
N 34th St & Mantua Ave
1.6 km PM2.5: 12.0 µg/m³
54
Stinger Square Park
1.9 km PM2.5: 13.7 µg/m³
52
315 N 18th St
2.1 km PM2.5: 12.6 µg/m³
53
1401 John F Kennedy Blvd
2.2 km PM2.5: 13.1 µg/m³
48
1501 Point Breeze Ave
2.3 km PM2.5: 11.6 µg/m³

Nearby Cities

52 University City 49 Rittenhouse 53 Philadelphia 50 Point Breeze 51 Center City 49 Strawberry Mansion 51 Kingsessing 53 Wharton 52 Cobbs Creek

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-07-21T21:34 UTC.