Air Quality in Helena, United States

Partly Cloudy
22.9°C · 55.7% humidity
22.9°
Feels 22.9°
36
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station

Nearby Monitoring Stations

AQI Forecast
27 6pm
27
54
36 9pm
41
45
47 12am
49
51
52 3am
52
53
53 6am
53
34
54 9am
54
54
54 12pm
54
54
54 3pm
54
34
AD 728×90

Air Quality Index Trend

46h · 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.

55.7%
Humidity
32.8 km/h
Wind N
1012.7 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
36
8.6 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Helena?

Temperature & Precipitation

PM2.5 Trend

46h · 3 stations
PM2.58.6 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (1 station within 25 km)
8.6
Median
8.6
Average
8.6
Low
8.6
High
PM2.5 µg/m³ · Model: 9.75 · Bias: +1.1

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?

38
Mcadory, Alabama, USA
15.4 km PM2.5: 9.1 µg/m³
–
Starcross
16.8 km PM2.5: 0.0 µg/m³ PM10: 0.0 µg/m³

What cities are near Helena?

36 Pelham 36 Alabaster 28 Hoover 34 Bessemer 31 Vestavia Hills 29 Homewood 32 Hueytown 29 Mountain Brook 24 Birmingham 38 Center Point
Get AQI alerts for Helena

Notify me when air quality reaches:

Free · No account · Unsubscribe any time

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-06-09T02:04 UTC.