Air Quality in Weirton, United States
Cloudy
19.1°C · 76.8% humidity
19.1°
Feels 19.1°
23
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
AQI Forecast
54
2am
54
34
23
5am
19
21
23
8am
51
52
33
11am
33
26
26
2pm
27
27
27
5pm
27
34
27
8pm
25
25
24
11pm
24
24
Air Quality Index Trend
41h · 2 stnWeirton's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
76.8%
Humidity
25.7 km/h
Wind SW
1014.4 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
5.5 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Weirton?
Temperature & Precipitation
PM2.5 Trend
41h · 2 stationsPM2.55.5 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
Station readings (1 station within 25 km)
5.5
Median
5.5
Average
5.5
Low
5.5
High
PM2.5 µg/m³ · Model: 8.2 · Bias: +2.7
What is the 7-day forecast for Weirton?
06-09
30.8° 9.8°
0.69 mm
06-10
24.7° 20.1°
5.25 mm
06-11
25.3° 8.2°
06-12
29.1° 16.8°
0.38 mm
06-13
26.2° 20.3°
2.13 mm
06-14
24.2° 14.5°
0.5 mm
06-15
28.9° 16.3°
Both models agree
Avg diff: 4.7°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 2026-06-09T09:29 UTC.