Air Quality in Harlingen, United States
Windy
37.5°C · 32.6% humidity
37.5°
Feels 37.5°
39
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Harlingen's air quality — share it
AQI Forecast
27
9am
27
27
39
12pm
36
33
31
3pm
30
29
29
6pm
28
28
28
9pm
27
27
27
12am
27
27
25
3am
25
25
25
6am
25
27
Air Quality Index Trend
36h · 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.
32.6%
Humidity
96.5 km/h
Wind SSE
1014.3 hPa
Pressure
19.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
9.38 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Harlingen?
Temperature & Precipitation
PM2.5 Trend
36h · 2 stationsPM2.59.38 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX19.9
Extreme
What is the 7-day forecast for Harlingen?
09-05
37.5° 26.1°
09-06
37.9° 27.2°
09-07
37.4° 26.6°
09-08
37.5° 26.0°
09-09
37.4° 25.2°
09-10
36.1° 27.6°
3.38 mm
09-11
36.7° 27.2°
Both models agree
Avg diff: 1.2°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 2026-09-05T17:30 UTC.