Air Quality in Philadelphia, United States

Windy
26.3°C · 39.2% humidity
26.3°
Feels 26.3°
51
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
2 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
43 4pm
43
43
51 7pm
70
50
50 10pm
50
50
50 1am
50
43
43 4am
43
50
50 7am
43
43
43 10am
43
43
43 1pm
43
43
Station readings
53
51
24
CAMS model adj +16
27
27
27
34
54
34
34
34
34
34
34
27
27
27
34
34
27
27
27
27
27
27
27
27
AD 728×90

Air Quality Index Trend

47h · 1 stn

Philadelphia's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

39.2%
Humidity
42.4 km/h
Wind WNW
1011.6 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
51
12.21 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Philadelphia?

Temperature & Precipitation

PM2.5 Trend

47h · 1 station
PM2.512.21 µg/m³ ✓ WHO
Moderate
PM1020.55 µg/m³
Good
UV INDEX2.2
Moderate
AD 300×250
Station readings (2 stations within 25 km)
12.21
Median
10.51
Average
8.2
Low
12.83
High
PM2.5 µg/m³ · Model: 10.0 · Bias: -2.2

What is the 7-day forecast for Philadelphia?

08-03
27.5° 21.6°
13.69 mm
08-04
37.0° 23.2°
08-05
35.1° 22.1°
08-06
31.2° 21.8°
08-07
32.9° 21.9°
3.25 mm
08-08
37.1° 21.8°
0.13 mm
08-09
35.3° 25.6°
Both models agree Avg diff: 3.1°C

Where are air quality stations near Philadelphia?

44
1401 John F Kennedy Blvd
0.1 km PM2.5: 10.6 µg/m³
40
N 9th St
0.8 km PM2.5: 9.7 µg/m³
37
1901 Walnut St
0.8 km PM2.5: 8.8 µg/m³
41
315 N 18th St
0.9 km PM2.5: 9.8 µg/m³
41
807 Lombard St
1.2 km PM2.5: 9.8 µg/m³
41
2100 Pine St
1.3 km PM2.5: 9.8 µg/m³
38
1358 Ridge Ave, Philadelphia, PA 19123
1.5 km PM2.5: 9.1 µg/m³
24
Annin Street, Philadlephia
1.9 km PM2.5: 5.8 µg/m³ PM10: 5.8 µg/m³
42
3312 Walnut St
2.3 km PM2.5: 10.2 µg/m³
40
S Christopher Columbus Blvd
2.6 km PM2.5: 9.7 µg/m³

What cities are near Philadelphia?

51 Center City 52 Rittenhouse 52 Point Breeze 50 University City 45 Fishtown 51 Wharton 49 Pennsport 50 Lower Moyamensing 48 Strawberry Mansion 46 Hartranft
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-07T23:59 UTC.