Air Quality in Martinsburg, United States
Partly Cloudy
26.0°C · 56.9% humidity
26.0°
Feels 26.0°
88
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Model forecast
Nearby Monitoring Stations
Martinsburg's air quality — share it
AQI Forecast
25
5pm
25
25
88
8pm
70
59
50
11pm
42
37
34
2am
30
28
27
5am
26
26
25
8am
25
25
24
11am
25
25
25
2pm
27
27
Air Quality Index Trend
41h · 1 stnMartinsburg's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration. Current PM2.5 concentration in Martinsburg is 2.0× the WHO 24-hour guideline of 15 µg/m³.
56.9%
Humidity
21.2 km/h
Wind ESE
1013.2 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
29.85 µg/m³
PM10
59.3 µg/m³
050100150200300500
What is the weather forecast for Martinsburg?
Temperature & Precipitation
PM2.5 Trend
41h · 1 stationPM2.529.85 µg/m³
×2.0 WHO
Moderate
PM1059.3 µg/m³
Moderate
UV INDEX0.7
Low
What is the 7-day forecast for Martinsburg?
07-22
30.1° 18.9°
0.88 mm
07-23
29.9° 17.6°
10.88 mm
07-24
27.2° 14.9°
0.81 mm
07-25
23.6° 19.4°
2.75 mm
07-26
28.4° 17.5°
2.75 mm
07-27
25.9° 21.7°
0.06 mm
07-28
34.8° 19.5°
3.5 mm
Both models agree
Avg diff: 3.4°C
Where are air quality stations near Martinsburg?
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-22T00:24 UTC.