Air Quality in Harlingen, United States
Overcast
24.9°C · 97.0% humidity
24.9°
Feels 24.9°
17
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Harlingen's air quality — share it
AQI Forecast
27
6am
27
34
17
9am
20
22
23
12pm
24
25
26
3pm
26
26
27
6pm
27
25
25
9pm
25
25
25
12am
25
25
25
3am
25
25
Air Quality Index Trend
40h · 2 stnHarlingen's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
97.0%
Humidity
37.2 km/h
Wind SE
1010.0 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
4.07 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Harlingen?
Temperature & Precipitation
PM2.5 Trend
40h · 2 stationsPM2.54.07 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX4.4
Moderate
What is the 7-day forecast for Harlingen?
05-29
32.3° 23.9°
05-30
32.0° 23.3°
0.25 mm
05-31
33.3° 22.4°
06-01
36.3° 23.5°
06-02
32.1° 23.5°
0.06 mm
06-03
32.9° 23.6°
0.13 mm
06-04
32.6° 23.6°
0.06 mm
Both models agree
Avg diff: 1.7°C
What cities are near Harlingen?
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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 2026-05-29T14:38 UTC.