Air Quality in Stephenville, United States
Drizzle
29.6°C · 51.6% humidity
29.6°
Feels 32.7°
16
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Stephenville's air quality — share it
AQI Forecast
25
3pm
25
25
16
6pm
19
20
22
9pm
23
23
24
12am
24
24
25
3am
25
25
25
6am
25
25
25
9am
25
25
25
12pm
25
25
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.
51.6%
Humidity
92.1 km/h
Wind SSE
1011.8 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
3.92 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Stephenville?
Temperature & Precipitation
PM2.53.92 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX2.9
Moderate
What is the 7-day forecast for Stephenville?
05-29
31.8° 15.8°
3.44 mm
05-30
29.6° 21.9°
0.69 mm
05-31
27.9° 17.2°
3.69 mm
06-01
32.9° 19.9°
06-02
32.7° 20.2°
06-03
31.0° 20.8°
0.88 mm
06-04
29.6° 21.7°
0.62 mm
Both models agree
Avg diff: 2.8°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 2026-05-29T23:35 UTC.