What is the air quality in Helena today?

The current Air Quality Index (AQI) in Helena is 24 (Good). PM2.5 concentration is 5.8 µg/m³.

What is the temperature in Helena right now?

The current temperature in Helena is 22.7°C (feels like 22.7°C). Humidity is 19.3% and wind speed is 9.1 km/h.

Is it safe to go outside in Helena?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 2.2 (Moderate).

Air Quality in Helena, United States

Clear

22.7°C · 19.3% humidity

22.7°

Feels 22.7°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Model forecast

Nearby Monitoring Stations

AQI Forecast

24 7am

24 10am

24 1pm

25 4pm

25 7pm

25 10pm

24 1am

24 4am

View AQI history for Helena →

Helena's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

19.3%

Humidity

9.1 km/h

Wind ESE

1017.8 hPa

Pressure

2.2

UV Moderate

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

5.8 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Helena?

Temperature & Precipitation

PM2.55.8 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX2.2

Moderate

What is the 7-day forecast for Helena?

09-05

22.7° -1.0°

0.56 mm

09-06

23.6° 4.9°

09-07

30.4° 3.7°

09-08

22.2° 4.7°

0.5 mm

09-09

22.5° 9.2°

09-10

31.9° -1.5°

09-11

31.3° 6.1°

2.06 mm

Both models agree Avg diff: 6.0°C

What cities are near Helena?

24 Butte 25 Great Falls 25 Bozeman 13 Missoula 24 Kalispell 22 Billings

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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-09-05T16:40 UTC.