Air Quality in Harlingen, United States
Windy
26.5°C · 88.3% humidity
26.5°
Feels 26.5°
43
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Harlingen's air quality — share it
AQI Forecast
34
7pm
27
27
43
10pm
38
35
33
1am
31
30
29
4am
29
28
28
7am
28
34
34
10am
34
34
34
1pm
34
27
27
4pm
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.
88.3%
Humidity
53.9 km/h
Wind SE
1012.1 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
10.32 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for Harlingen?
Temperature & Precipitation
PM2.5 Trend
39h · 2 stationsPM2.510.32 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 2026-06-09T03:40 UTC.