Air Quality in Harlingen, United States
Windy
31.3°C · 51.8% humidity
31.3°
Feels 35.2°
38
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Harlingen's air quality — share it
AQI Forecast
34
6pm
34
27
38
9pm
35
33
31
12am
30
29
28
3am
28
28
28
6am
27
27
34
9am
34
34
34
12pm
34
34
27
3pm
27
27
Air Quality Index Trend
39h · 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.
51.8%
Humidity
100.1 km/h
Wind E
1010.5 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
9.06 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for Harlingen?
Temperature & Precipitation
PM2.5 Trend
39h · 2 stationsPM2.59.06 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
What is the 7-day forecast for Harlingen?
06-09
36.0° 21.5°
06-10
35.9° 25.3°
0.13 mm
06-11
32.4° 24.5°
3.44 mm
06-12
35.6° 24.2°
0.13 mm
06-13
34.2° 24.6°
06-14
36.0° 22.4°
06-15
35.7° 25.1°
0.13 mm
Both models agree
Avg diff: 1.8°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 2026-06-09T02:44 UTC.