Air Quality in Helena, United States

Cloudy
14.6°C · 81.3% humidity
14.6°
Feels 14.6°
38
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station

Nearby Monitoring Stations

AQI Forecast
54 9pm
54
54
38 12am
43
46
48 3am
50
51
52 6am
52
33
53 9am
53
54
54 12pm
54
54
54 3pm
54
34
34 6pm
34
54
AD 728×90

Air Quality Index Trend

47h · 3 stn

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.

81.3%
Humidity
13.3 km/h
Wind N
1013.8 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
38
9.1 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Helena?

Temperature & Precipitation

PM2.5 Trend

47h · 3 stations
PM2.59.1 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (1 station within 25 km)
9.1
Median
9.1
Average
9.1
Low
9.1
High
PM2.5 µg/m³ · Model: 9.75 · Bias: +0.6

What is the 7-day forecast for Helena?

06-09
30.0° 14.6°
0.31 mm
06-10
34.3° 22.8°
0.13 mm
06-11
28.3° 22.3°
0.19 mm
06-12
35.2° 22.1°
6.13 mm
06-13
23.2° 21.1°
47.62 mm
06-14
32.3° 19.3°
06-15
32.6° 22.1°
4.13 mm
Both models agree Avg diff: 2.7°C

Where are air quality stations near Helena?

39
Mcadory, Alabama, USA
15.4 km PM2.5: 9.4 µg/m³
–
Starcross
16.8 km PM2.5: 0.0 µg/m³ PM10: 0.0 µg/m³

What cities are near Helena?

38 Pelham 38 Alabaster 37 Hoover 38 Bessemer 35 Vestavia Hills 35 Homewood 37 Hueytown 35 Mountain Brook 36 Birmingham 32 Center Point
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-06-09T05:57 UTC.