315 N 18th St Air Quality
Monitoring Station
· Philadelphia, United States
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading
Nearby Monitoring Stations
GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
Calibrated
25
11pm
62
42
42
2am
42
42
42
5am
42
35
35
8am
35
42
42
11am
35
35
—
2pm
—
—
—
5pm
—
—
—
8pm
—
—
CAMS model
adj +8
34
54
34
34
34
34
34
34
27
27
27
34
34
27
27
Air Quality Forecast (24h)
PM2.55.9 µg/m³
✓ WHO
Good
Nearby Monitoring Stations
27
1401 John F Kennedy Blvd
23
1358 Ridge Ave, Philadelphia, PA 19123
25
1901 Walnut St
26
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30
2100 Pine St
23
2511 W Girard Ave
28
3312 Walnut St
26
807 Lombard St
Nearby Cities
Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-08T02:09 UTC.