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
AD 728×90

Air Quality Index Trend

28h · 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.

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▲
27
6.5 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Allentown?

Temperature & Precipitation

PM2.5 Trend

28h · 1 station
PM2.56.5 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250

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

Where are air quality stations near Allentown?

17
Freemansburg, Pennsylvania, USA
12.8 km PM2.5: 4.1 µg/m³
119
Easton, Pennsylvania
26.0 km PM2.5: 42.8 µg/m³ PM10: 50.1 µg/m³

What cities are near Allentown?

145 Whitehall Township 145 Bethlehem 26 Limerick 32 Pottstown 26 Lansdale 26 Phoenixville 27 Norristown 44 Hazleton 27 King of Prussia 17 Willow Grove
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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.