Air Quality in Willow Grove, United States

Partly Cloudy
23.0°C · 54.3% humidity
23.0°
Feels 23.0°
50
Good
Air quality is satisfactory. Enjoy outdoor activities.
71 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
55 2pm
48
48
50 5pm
48
48
48 8pm
48
48
48 11pm
48
48
48 2am
48
48
48 5am
48
48
48 8am
46
46
46 11am
46
46
Station readings
65
59
67
CAMS model adj +21
34
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
25
25
25
25
25
AD 728×90

Air Quality Index Trend

47h · 1 stn

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

54.3%
Humidity
39.3 km/h
Wind ENE
1014.3 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
50
11.91 µg/m³
PM10
31
34.3 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

47h · 1 station
PM2.511.91 µg/m³ ✓ WHO
Good
PM1034.3 µg/m³
Good
UV INDEX2.9
Moderate
AD 300×250
11.91
Median
11.91
Average
6.7
Low
18.1
High
PM2.5 µg/m³ · Model: 16.8 · Bias: +4.9
07-21
28.8° 20.0°
0.06 mm
07-22
24.8° 18.9°
1.06 mm
07-23
28.9° 17.7°
16.06 mm
07-24
26.1° 18.7°
1.06 mm
07-25
31.3° 21.0°
6.31 mm
07-26
24.8° 19.2°
6.69 mm
07-27
26.6° 22.9°
0.44 mm
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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 2026-07-21T21:34 UTC.