Air Quality in Allentown, United States

Clear
26.6°C · 33.5% humidity
26.6°
Feels 26.6°
42
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast

Nearby Monitoring Stations

AQI Forecast Calibrated
30 4pm
30
30
42 7pm
38
35
35 10pm
32
31
30 1am
31
31
31 4am
30
37
37 7am
37
28
28 10am
28
28
28 1pm
30
30
Station readings
3
CAMS model adj +3
27
27
27
25
25
25
27
25
25
25
27
27
27
27
34
34
34
25
25
25
25
25
27
27
AD 728×90

Air Quality Index Trend

39h · 1 stn

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

33.5%
Humidity
37.6 km/h
Wind NW
1011.4 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
42
10.0 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Allentown?

Temperature & Precipitation

PM2.5 Trend

39h · 1 station
PM2.510.0 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX1.4
Low
AD 300×250

What is the 7-day forecast for Allentown?

08-03
26.6° 19.6°
22.69 mm
08-04
34.7° 18.0°
08-05
31.7° 18.6°
0.81 mm
08-06
28.3° 16.3°
08-07
31.2° 18.1°
2.38 mm
08-08
35.2° 18.6°
0.5 mm
08-09
33.4° 20.9°
Both models agree Avg diff: 3.5°C

Where are air quality stations near Allentown?

35
Freemansburg, Pennsylvania, USA
12.8 km PM2.5: 8.4 µg/m³
–
Easton, Pennsylvania
26.0 km PM2.5: 0.0 µg/m³ PM10: 0.0 µg/m³

What cities are near Allentown?

17 Whitehall Township 17 Bethlehem 41 Limerick 35 Pottstown 42 Lansdale 42 Phoenixville 42 Norristown 32 Hazleton 42 King of Prussia 44 Willow Grove
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-07T23:57 UTC.