Air Quality in Stephenville, United States
Windy
27.3°C · 50.4% humidity
27.3°
Feels 29.3°
38
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Stephenville's air quality — share it
AQI Forecast
25
9pm
25
25
38
12am
34
32
30
3am
28
27
27
6am
28
28
28
9am
27
27
27
12pm
27
27
27
3pm
27
27
34
6pm
34
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.
50.4%
Humidity
88.7 km/h
Wind S
1011.3 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
9.0 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Stephenville?
Temperature & Precipitation
PM2.59.0 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
What is the 7-day forecast for Stephenville?
06-09
35.2° 20.2°
0.06 mm
06-10
30.8° 22.5°
0.06 mm
06-11
27.6° 20.6°
06-12
33.4° 23.6°
06-13
30.4° 22.9°
0.19 mm
06-14
32.0° 21.0°
06-15
36.3° 23.0°
Both models agree
Avg diff: 3.1°C
What cities are near Stephenville?
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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 2026-06-09T05:12 UTC.