Air Quality in Philadelphia, United States

Drizzle
27.8°C · 40.0% humidity
27.8°
Feels 28.7°
53
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
78 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
65 10am
65
65
53 1pm
51
42
41 4pm
40
40
39 7pm
39
39
38 10pm
38
38
38 1am
38
38
38 4am
38
38
38 7am
38
36
Station readings
55
54
54
CAMS model adj +11
54
54
54
34
34
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
25
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.

40.0%
Humidity
71.1 km/h
Wind NNE
1012.1 hPa
Pressure
17.4
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
53
13.17 µg/m³
PM10
25
27.4 µg/m³
050100150200300500

What is the weather forecast for Philadelphia?

Temperature & Precipitation

PM2.5 Trend

47h · 1 station
PM2.513.17 µg/m³ ✓ WHO
Moderate
PM1027.4 µg/m³
Good
UV INDEX17.4
Extreme
AD 300×250
Station readings (78 stations within 25 km)
13.17
Median
12.04
Average
10.03
Low
14.1
High
PM2.5 µg/m³ · Model: 13.5 · Bias: +0.3

What is the 7-day forecast for Philadelphia?

07-21
29.9° 20.7°
0.13 mm
07-22
25.3° 20.6°
1.63 mm
07-23
30.2° 20.0°
11.06 mm
07-24
28.6° 19.6°
0.38 mm
07-25
31.8° 22.0°
4.31 mm
07-26
24.2° 21.1°
7.19 mm
07-27
26.8° 23.3°
1.25 mm
Both models agree Avg diff: 2.6°C

Where are air quality stations near Philadelphia?

52
1401 John F Kennedy Blvd
0.1 km PM2.5: 12.7 µg/m³
47
N 9th St
0.8 km PM2.5: 11.2 µg/m³
48
1901 Walnut St
0.8 km PM2.5: 11.4 µg/m³
51
315 N 18th St
0.9 km PM2.5: 12.1 µg/m³
44
807 Lombard St
1.2 km PM2.5: 10.6 µg/m³
52
2100 Pine St
1.3 km PM2.5: 12.4 µg/m³
47
1358 Ridge Ave, Philadelphia, PA 19123
1.5 km PM2.5: 11.3 µg/m³
54
Annin Street, Philadlephia
1.9 km PM2.5: 13.7 µg/m³ PM10: 14.2 µg/m³
52
3312 Walnut St
2.3 km PM2.5: 12.6 µg/m³
49
S Christopher Columbus Blvd
2.6 km PM2.5: 11.7 µg/m³

What cities are near Philadelphia?

51 Center City 50 Rittenhouse 49 Point Breeze 52 University City 50 Fishtown 52 Wharton 51 Pennsport 52 Lower Moyamensing 49 Strawberry Mansion 51 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 2026-07-21T17:14 UTC.