1. North America
  2. United States
  3. Montana

Montana

United States

2026-09-20 14:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
4.5
O3
μg/m³
24.9
PM10
μg/m³
7.2
NO2
μg/m³
5.8
CO
μg/m³
250
SO2
μg/m³
0
Weather
  • ℃
  • ℉
8℃
82%
3 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • O3
  • PM10
  • NO2
  • CO
  • SO2
Places included
Beaverhead County
AQI 13
Big Horn County
AQI 5
Blaine County
AQI 17
Broadwater County
AQI 34
Carbon County
AQI 8
Carter County
AQI 9
Cascade County
AQI 54
Chouteau County
AQI 15
Custer County
AQI 10
Daniels County
AQI 20
Dawson County
AQI 20
Deer Lodge County
AQI 25
Fallon County
AQI 24
Fergus County
AQI 35
Flathead County
AQI 35
Gallatin County
AQI 27
Garfield County
AQI 10
Glacier County
AQI 21
Golden Valley County
AQI 22
Granite County
AQI 18
Hill County
AQI 15
Jefferson County
AQI 41
Judith Basin County
AQI 12
Lake County
AQI 27
Lewis and Clark County
AQI 14
Liberty County
AQI 17
Lincoln County
AQI 44
Madison County
AQI 17
McCone County
AQI 17
Meagher County
AQI 10
Mineral County
AQI 23
Missoula County
AQI 29
Musselshell County
AQI 16
Park County
AQI 11
Petroleum County
AQI 21
Phillips County
AQI 25
Pondera County
AQI 12
Powder River County
AQI 2
Powell County
AQI 30
Prairie County
AQI 16
Ravalli County
AQI 10
Richland County
AQI 19
Roosevelt County
AQI 19
Rosebud County
AQI 8
Sanders County
AQI 19
Sheridan County
AQI 18
Silver Bow County
AQI 28
Stillwater County
AQI 11
Sweet Grass County
AQI 9
Teton County
AQI 14
Toole County
AQI 16
Treasure County
AQI 9
Valley County
AQI 19
Wheatland County
AQI 11
Wibaux County
AQI 21
Yellowstone County
AQI 20
Data Sources
http://www.airnow.gov/

Get the App

Scan QR Code
Air Matters
Realtime broadcasting air quality information on your phone for more than 180 countries.

iPhone, iPad

Android

Cities Nearby

Neihart
AQI 10
Stanford
AQI 10
Hobson
AQI 15
Moore
AQI 35
Judith Gap
AQI 15
White Sulphur Springs
AQI 10
Denton
AQI 14
Harlowton
AQI 10
Belt
AQI 19
Lewistown Heights
AQI 35
Lewistown
AQI 35