1. North America
  2. United States
  3. Montana

Montana

United States

2026-05-22 17:00
AQI (US)
Good
Pollutants|Pollens
O3
μg/m³
77.1
PM2.5
μg/m³
5.5
PM10
μg/m³
7.7
CO
μg/m³
250
NO2
μg/m³
0.6
SO2
μg/m³
0
Weather
  • ℃
  • ℉
13℃
33%
10 kph
7 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • O3
  • PM2.5
  • PM10
  • CO
  • NO2
  • SO2
Places included
Beaverhead County
AQI 79
Big Horn County
AQI 15
Blaine County
AQI 24
Broadwater County
AQI 18
Carbon County
AQI 16
Carter County
AQI 9
Cascade County
AQI 65
Chouteau County
AQI 23
Custer County
AQI 10
Daniels County
AQI 16
Dawson County
AQI 11
Deer Lodge County
AQI 21
Fallon County
AQI 9
Fergus County
AQI 44
Flathead County
AQI 26
Gallatin County
AQI 19
Garfield County
AQI 17
Glacier County
AQI 7
Golden Valley County
AQI 18
Granite County
AQI 22
Hill County
AQI 19
Jefferson County
AQI 19
Judith Basin County
AQI 30
Lake County
AQI 42
Lewis and Clark County
AQI 38
Liberty County
AQI 29
Lincoln County
AQI 37
Madison County
AQI 20
McCone County
AQI 8
Meagher County
AQI 17
Mineral County
AQI 36
Missoula County
AQI 30
Musselshell County
AQI 15
Park County
AQI 19
Petroleum County
AQI 19
Phillips County
AQI 27
Pondera County
AQI 45
Powder River County
AQI 12
Powell County
AQI 27
Prairie County
AQI 7
Ravalli County
AQI 9
Richland County
AQI 19
Roosevelt County
AQI 18
Rosebud County
AQI 15
Sanders County
AQI 31
Sheridan County
AQI 26
Silver Bow County
AQI 28
Stillwater County
AQI 16
Sweet Grass County
AQI 16
Teton County
AQI 4
Toole County
AQI 41
Treasure County
AQI 15
Valley County
AQI 13
Wheatland County
AQI 20
Wibaux County
AQI 13
Yellowstone County
AQI 37
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 22
Stanford
AQI 25
Hobson
AQI 27
Moore
AQI 13
Judith Gap
AQI 21
White Sulphur Springs
AQI 17
Denton
AQI 24
Harlowton
AQI 19
Belt
AQI 34
Lewistown Heights
AQI 13
Lewistown
AQI 44