Air Quality in McAllen, United States
Windy
29.2°C · 56.5% humidity
29.2°
Feels 32.8°
59
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
2 stations
Nearby Monitoring Stations
McAllen's air quality — share it
AQI Forecast
54
1pm
54
34
59
4pm
52
47
36
7pm
34
30
28
10pm
29
29
28
1am
26
26
25
4am
25
25
25
7am
27
27
27
10am
27
34
Air Quality Index Trend
42h · 1 stnMcAllen'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 McAllen is 3.2× the WHO annual guideline of 5 µg/m³.
56.5%
Humidity
98.1 km/h
Wind SE
1006.6 hPa
Pressure
12.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
15.94 µg/m³
PM10
27.45 µg/m³
050100150200300500
What is the weather forecast for McAllen?
Temperature & Precipitation
PM2.5 Trend
42h · 1 stationPM2.515.94 µg/m³
×1.1 WHO
Moderate
PM1027.45 µg/m³
Good
UV INDEX12.9
Extreme
Station readings (2 stations within 25 km)
15.94
Median
16.6
Average
15.4
Low
17.79
High
PM2.5 µg/m³ · Model: 13.7 · Bias: -2.2
What is the 7-day forecast for McAllen?
05-28
35.1° 23.6°
0.13 mm
05-29
33.8° 24.1°
0.81 mm
05-30
31.9° 23.1°
0.06 mm
05-31
33.3° 22.4°
0.06 mm
06-01
36.1° 23.8°
06-02
33.5° 23.5°
06-03
33.6° 23.9°
Both models agree
Avg diff: 1.9°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 2026-05-28T21:46 UTC.