Air Quality in Allen, United States
Drizzle
37.0°C · 35.8% humidity
37.0°
Feels 37.0°
62
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Calibrated model
Nearby Monitoring Stations
Allen's air quality — share it
AQI Forecast
54
9am
54
54
62
12pm
60
58
57
3pm
56
56
55
6pm
55
55
54
9pm
54
54
54
12am
54
54
54
3am
54
54
54
6am
54
54
Air Quality Index Trend
44h · 1 stnAllen's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration. Current PM2.5 concentration in Allen is 1.1× the WHO 24-hour guideline of 15 µg/m³.
35.8%
Humidity
22.2 km/h
Wind ENE
1004.3 hPa
Pressure
24.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
17.12 µg/m³
PM10
34.3 µg/m³
050100150200300500
What is the weather forecast for Allen?
Temperature & Precipitation
PM2.5 Trend
44h · 1 stationPM2.517.12 µg/m³
×1.1 WHO
Moderate
PM1034.3 µg/m³
Good
UV INDEX24.9
Extreme
What is the 7-day forecast for Allen?
07-21
37.0° 27.3°
2.69 mm
07-22
36.8° 23.2°
17.75 mm
07-23
38.1° 20.4°
0.38 mm
07-24
34.1° 25.6°
0.69 mm
07-25
37.6° 26.1°
07-26
39.5° 26.7°
2.06 mm
07-27
40.7° 27.9°
Both models agree
Avg diff: 3.2°C
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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 2026-07-21T17:14 UTC.