Air Quality in Holmesburg, United States

Drizzle
27.2°C · 41.9% humidity
27.2°
Feels 28.2°
50
Good
Air quality is satisfactory. Enjoy outdoor activities.
77 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
48 1pm
48
41
50 4pm
47
46
44 7pm
43
43
42 10pm
42
42
41 1am
41
41
41 4am
41
41
41 7am
41
39
39 10am
39
39
Station readings
57
65
59
CAMS model adj +14
34
34
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
25
25
25
25
AD 728×90

Air Quality Index Trend

47h · 1 stn

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

41.9%
Humidity
78.8 km/h
Wind NNE
1011.9 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
50
11.88 µg/m³
PM10
25
27.45 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

47h · 1 station
PM2.511.88 µg/m³ ✓ WHO
Good
PM1027.45 µg/m³
Good
UV INDEX4.4
Moderate
AD 300×250
11.88
Median
11.56
Average
6.7
Low
16.56
High
PM2.5 µg/m³ · Model: 12.85 · Bias: +1.0
07-21
30.5° 20.9°
0.5 mm
07-22
24.9° 19.8°
2.0 mm
07-23
31.2° 20.7°
10.69 mm
07-24
29.8° 20.1°
0.75 mm
07-25
33.0° 22.7°
1.56 mm
07-26
25.3° 21.7°
5.12 mm
07-27
26.5° 23.7°
0.31 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 2026-07-21T20:11 UTC.