What is the air quality in Butte today?

The current Air Quality Index (AQI) in Butte is 25 (Good). PM2.5 concentration is 5.9 µg/m³.

What is the temperature in Butte right now?

The current temperature in Butte is 20.8°C (feels like 20.8°C). Humidity is 19.0% and wind speed is 12.8 km/h.

Is it safe to go outside in Butte?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 14.9 (Extreme).

Air Quality in Butte, United States

Clear

20.8°C · 19.0% humidity

20.8°

Feels 20.8°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Model forecast

Nearby Monitoring Stations

AQI Forecast

24 10am

25 1pm

25 4pm

25 7pm

25 10pm

25 1am

24 4am

25 7am

View AQI history for Butte →

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.

19.0%

Humidity

12.8 km/h

Wind N

1018.0 hPa

Pressure

14.9

UV Extreme

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

5.9 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Butte?

Temperature & Precipitation

PM2.55.9 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX14.9

Extreme

What is the 7-day forecast for Butte?

09-05

20.8° -0.4°

1.88 mm

09-06

21.3° 3.9°

09-07

24.7° 4.6°

09-08

23.6° -1.3°

0.31 mm

09-09

18.4° 7.6°

09-10

27.2° -3.9°

09-11

27.5° 4.6°

0.44 mm

Both models agree Avg diff: 4.8°C

What cities are near Butte?

24 Helena 26 Bozeman 14 Missoula 25 Great Falls 26 Rexburg 20 Kalispell 16 Idaho Falls 25 Boise 25 Eagle 25 Meridian

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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-09-05T19:25 UTC.