What is the air quality in McAllen today?

The current Air Quality Index (AQI) in McAllen is 83 (Moderate). PM2.5 concentration is 27.4 µg/m³.

What is the temperature in McAllen right now?

The current temperature in McAllen is 38.5°C (feels like 38.5°C). Humidity is 35.1% and wind speed is 82.5 km/h.

Air Quality in McAllen, United States

Windy

38.5°C · 35.1% humidity

38.5°

Feels 38.5°

Moderate

Unusually sensitive people should consider reducing prolonged outdoor exertion.

1 station

Nearby Monitoring Stations

AQI Forecast

54 10am

83 1pm

65 4pm

58 7pm

55 10pm

55 1am

54 4am

54 7am

Air Quality Index Trend

33h · 1 stn

View full history →

McAllen'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 1.8× the WHO 24-hour guideline of 15 µg/m³.

35.1%

Humidity

82.5 km/h

Wind SSE

1004.8 hPa

Pressure

29.9

UV Extreme

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

27.4 µg/m³

PM10

27.4 µg/m³

050100150200300500

What is the weather forecast for McAllen?

Temperature & Precipitation

PM2.5 Trend

33h · 1 station

PM2.527.4 µg/m³ ×1.8 WHO

Moderate

PM1027.4 µg/m³

Good

UV INDEX29.9

Extreme

Station readings (1 station within 25 km)

27.4

Median

27.4

Average

27.4

Low

27.4

High

PM2.5 µg/m³ · Model: 13.5 · Bias: -13.9

What is the 7-day forecast for McAllen?

07-21

38.5° 26.0°

07-22

37.8° 25.5°

07-23

37.8° 25.2°

1.37 mm

07-24

37.7° 26.9°

07-25

37.0° 26.3°

07-26

38.0° 26.9°

07-27

35.3° 24.7°

6.38 mm

Both models agree Avg diff: 1.6°C

Where are air quality stations near McAllen?

118

Mission, Harlingen, Texas

6.6 km PM2.5: 42.4 µg/m³

243

Mission, Harlingen, Texas

6.6 km PM2.5: 192.9 µg/m³

Edinburg East Freddy Gonzalez Drive

12.3 km PM2.5: 27.4 µg/m³

What cities are near McAllen?

83 Pharr 83 San Juan 83 Mission 83 Alamo 83 Edinburg 54 Reynosa 83 Donna 83 Weslaco 68 Ciudad Río Bravo 68 Mercedes

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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 2026-07-21T18:28 UTC.