Air Quality in Butte, United States
Windy
30.3°C · 11.2% humidity
30.3°
Feels 30.3°
84
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Model forecast
Nearby Monitoring Stations
Butte's air quality — share it
AQI Forecast
66
2pm
66
83
84
5pm
83
83
83
8pm
83
66
66
11pm
66
66
66
2am
66
83
83
5am
83
54
54
8am
54
54
34
11am
27
27
Butte'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 Butte is 1.8× the WHO 24-hour guideline of 15 µg/m³.
11.2%
Humidity
65.2 km/h
Wind WSW
1005.8 hPa
Pressure
9.4
UV Very High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
27.55 µg/m³
PM10
73.05 µg/m³
050100150200300500
What is the weather forecast for Butte?
Temperature & Precipitation
PM2.527.55 µg/m³
×1.8 WHO
Moderate
PM1073.05 µg/m³
Moderate
UV INDEX9.4
Very High
What is the 7-day forecast for Butte?
08-03
32.4° 13.8°
08-04
29.0° 9.5°
08-05
32.2° 14.4°
08-06
32.9° 6.2°
08-07
28.3° 8.7°
0.25 mm
08-08
30.9° 9.9°
08-09
31.0° 8.2°
Both models agree
Avg diff: 2.5°C
What cities are near Butte?
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-07T23:56 UTC.