Air Quality in Allentown, United States
Drizzle
30.3°C · 40.2% humidity
30.3°
Feels 32.0°
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
Allentown's air quality — share it
AQI Forecast
Calibrated
16
8am
16
16
25
11am
22
21
18
2pm
17
17
16
5pm
16
16
15
8pm
15
15
15
11pm
15
15
15
2am
15
15
15
5am
15
15
Station readings
9
CAMS model
adj -9
25
25
25
25
25
25
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
Air Quality Index Trend
39h · 1 stnAllentown's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
40.2%
Humidity
47.0 km/h
Wind W
1016.1 hPa
Pressure
12.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
6.0 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Allentown?
Temperature & Precipitation
PM2.5 Trend
39h · 1 stationPM2.56.0 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX12.9
Extreme
What is the 7-day forecast for Allentown?
09-05
30.3° 13.2°
3.5 mm
09-06
21.2° 17.1°
20.37 mm
09-07
22.3° 15.0°
09-08
23.5° 14.4°
0.31 mm
09-09
23.8° 11.4°
0.5 mm
09-10
24.8° 13.2°
7.25 mm
09-11
30.2° 8.5°
0.06 mm
Both models agree
Avg diff: 5.3°C
Where are air quality stations near Allentown?
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-09-05T15:50 UTC.