Air Quality in Stephenville, United States
Clear
39.1°C · 23.9% humidity
39.1°
Feels 39.1°
39
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Stephenville's air quality — share it
AQI Forecast
27
7pm
27
27
39
10pm
36
33
31
1am
30
29
29
4am
28
28
28
7am
25
25
25
10am
27
27
27
1pm
27
27
27
4pm
27
27
Stephenville's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
23.9%
Humidity
26.0 km/h
Wind NW
1011.2 hPa
Pressure
9.4
UV Very High
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 Stephenville?
Temperature & Precipitation
PM2.59.38 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX9.4
Very High
What is the 7-day forecast for Stephenville?
08-03
39.1° 26.2°
08-04
32.6° 27.0°
0.56 mm
08-05
38.8° 23.9°
08-06
36.7° 24.2°
08-07
38.7° 26.7°
08-08
37.4° 24.8°
08-09
36.4° 23.7°
0.06 mm
Both models agree
Avg diff: 2.2°C
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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 2026-08-08T03:01 UTC.