3312 Walnut St

Monitoring Station · University City, United States
41
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
41 6pm
41
39
39 9pm
39
39
52 12am
52
52
52 3am
52
52
52 6am
52
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— 9am
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— 12pm
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— 3pm
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Station readings
41
41
CAMS model adj +2
37
37
37
37
37
37
50
50
50
50
50
50
50
50

Air Quality Trend (24h)

PM2.59.8 µg/m³ ✓ WHO
Good

Nearby Monitoring Stations

37
4110 Market St
1.3 km PM2.5: 8.8 µg/m³
40
2100 Pine St
1.4 km PM2.5: 9.5 µg/m³
37
1901 Walnut St
1.5 km PM2.5: 8.9 µg/m³
37
N 34th St & Mantua Ave
1.6 km PM2.5: 8.9 µg/m³
41
Stinger Square Park
1.9 km PM2.5: 9.8 µg/m³
39
315 N 18th St
2.1 km PM2.5: 9.4 µg/m³
41
1401 John F Kennedy Blvd
2.2 km PM2.5: 9.9 µg/m³
37
1501 Point Breeze Ave
2.3 km PM2.5: 8.8 µg/m³

Nearby Cities

38 University City 38 Rittenhouse 38 Philadelphia 38 Point Breeze 38 Center City 38 Strawberry Mansion 38 Kingsessing 38 Wharton 38 Cobbs Creek

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-09T21:21 UTC.