Air Quality in Helena, United States

Clear
24.1°C · 33.2% humidity
24.1°
Feels 24.1°
24
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast

Nearby Monitoring Stations

AQI Forecast
24 11am
24
24
24 2pm
24
24
24 5pm
24
24
24 8pm
24
25
25 11pm
25
25
25 2am
25
25
25 5am
25
25
24 8am
24
24
AD 728×90

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.

33.2%
Humidity
2.9 km/h
Wind SE
1005.2 hPa
Pressure
12.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
24
5.8 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

Temperature & Precipitation

PM2.55.8 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX12.9
Extreme
AD 300×250
06-08
24.1° 11.2°
1.06 mm
06-09
24.4° 12.0°
8.0 mm
06-10
20.8° 3.8°
06-11
27.9° 11.2°
06-12
12.6° 9.6°
6.19 mm
06-13
27.7° 10.5°
1.5 mm
06-14
26.9° 13.3°
Both models agree Avg diff: 5.9°C
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-06-08T20:43 UTC.