Air Quality in Allentown, United States
Drizzle
11.3°C · 78.8% humidity
11.3°
Feels 11.3°
27
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
AQI Forecast
Calibrated
137
7pm
137
137
27
10pm
58
81
97
1am
106
114
122
4am
126
129
132
7am
133
134
135
10am
136
136
136
1pm
136
137
137
4pm
137
137
Station readings
155
119
CAMS model
adj +110
27
27
27
27
27
27
27
25
25
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
Air Quality Index Trend
28h · 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.
78.8%
Humidity
51.3 km/h
Wind W
1001.5 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
6.5 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Allentown?
Temperature & Precipitation
PM2.5 Trend
28h · 1 stationPM2.56.5 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
What is the 7-day forecast for Allentown?
06-09
29.8° 10.4°
0.13 mm
06-10
22.9° 17.5°
12.19 mm
06-11
23.8° 11.6°
06-12
20.6° 15.4°
43.69 mm
06-13
28.2° 16.2°
0.31 mm
06-14
22.3° 16.7°
6.44 mm
06-15
23.1° 12.3°
Both models agree
Avg diff: 6.8°C
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-06-09T02:11 UTC.