Montana
38 monitoring stations · readings from 17 to 50
Average AQI
Air quality in Montana
Air quality in Montana is currently 41 on the AQI scale, which falls in the Good band. That number is the average across every monitoring station reporting in Montana right now.
We aggregate 38 stations across Montana. Individual stations range from 17 at the cleanest to 50 at the worst, so conditions vary across Montana — the local figure matters more than the average.
Montana breaks down into 28 cities you can open individually. Of those listed below, Lockwood is reading highest at 50 and West Yellowstone lowest at 17.
Readings refresh hourly from the official monitoring networks we track. Conditions can still change quickly, so check back before planning time outdoors.
What to do at good levels
Outdoor activity
No restrictions. This is a good day for exercise, commuting on foot or bike, and time outside.
Sensitive groups
Children, older adults and people with asthma or heart conditions can go about their day as normal.
Indoor air
Open the windows. Outdoor air is currently cleaner than typical indoor air, so ventilating helps.
Cities in Montana
28 cities
Anaconda
Good
- Stations
- 1
- Range
- 50–50
Billings
Good
- Stations
- 1
- Range
- 50–50
Girard
Good
- Stations
- 1
- Range
- 50–50
Kalispell
Good
- Stations
- 1
- Range
- 50–50
Libby
Good
- Stations
- 1
- Range
- 50–50
Lockwood
Good
- Stations
- 1
- Range
- 50–50
Sidney
Good
- Stations
- 1
- Range
- 50–50
Helena
Good
- Stations
- 1
- Range
- 46–46
Malta
Good
- Stations
- 1
- Range
- 46–46
Polson
Good
- Stations
- 1
- Range
- 46–46
Thompson Falls
Good
- Stations
- 1
- Range
- 46–46
44Havre
Good
- Stations
- 2
- Range
- 42–46
44Helena Valley West Central
Good
- Stations
- 2
- Range
- 42–46
Frenchtown
Good
- Stations
- 1
- Range
- 42–42
Glasgow
Good
- Stations
- 1
- Range
- 42–42
42Great Falls
Good
- Stations
- 2
- Range
- 42–42
42Hamilton
Good
- Stations
- 2
- Range
- 42–42
42Lewistown
Good
- Stations
- 2
- Range
- 42–42
42Missoula
Good
- Stations
- 3
- Range
- 42–42
Orchard Homes
Good
- Stations
- 1
- Range
- 42–42
Seeley Lake
Good
- Stations
- 1
- Range
- 42–42
Choteau
Good
- Stations
- 1
- Range
- 38–38
38Miles City
Good
- Stations
- 2
- Range
- 38–38
Bozeman
Good
- Stations
- 1
- Range
- 33–33
29Columbia Falls
Good
- Stations
- 2
- Range
- 29–29
25Butte
Good
- Stations
- 2
- Range
- 25–25
West Glacier
Good
- Stations
- 1
- Range
- 25–25
West Yellowstone
Good
- Stations
- 1
- Range
- 17–17
About Montana
Coordinates
47.072, -111.443
Centroid of monitored stations
Stations
38
Reporting in this area
Spread
17 – 50
Cleanest to worst station reading
Other regions nearby
Montana air quality, answered
Montana is currently reading an AQI of 41, which is Good. It is the average across 38 reporting stations.
No restrictions. This is a good day for exercise, commuting on foot or bike, and time outside. Children, older adults and people with asthma or heart conditions can go about their day as normal.
41 sits in the Good band of the air quality index. The index runs from 0 to 500, and the lower the number the cleaner the air.
We currently aggregate 38 stations in Montana, reading between 17 and 50.
Of the cities currently listed for Montana, Lockwood is reading highest at 50 (Good).
Hourly. We pull from the official monitoring networks that publish for this region, and this page refreshes on the same cadence.
See Montana on the map.
Every station around it, live — or find out what today's reading means for you personally.