Montana, USA live air quality index now
Stay updated with real-time air quality in Montana, USA featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
33
Good
Montana, USA
Last updated: ... (Local time)
Major air pollutants in Montana, USA
Good
Fine
Moderate
Poor
Very poor
Hazardous
Particulate Matter2.5 (PM2.5)
5.80 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
Particulate Matter10 (PM10)
25.47 μg/m³
0
55
155
255
425
605+
Ozone (O3)
35.62 ppb
0
55
71
86
201
201+
Sulfur Dioxide (SO2)
0.63 ppb
0
36
76
186
605
1005+
Nitrogen Dioxide (NO2)
3.67 ppb
0
54
101
361
1250
2050+
Carbon Monoxide (CO)
0.28 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Montana, USA
Montana, USA
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Air quality in cities of Montana, USA
| No results found | |||||||
| City | AQI | PM2.5 | PM10 | O3 | SO2 | NO2 | CO |
|---|---|---|---|---|---|---|---|
Air quality in nearby states
Idaho, USA
AQI 52
Moderate
9.88μg/m³
PM2.5
39.28μg/m³
PM10
26.85ppb
O3
0.46ppb
SO2
9.40ppb
NO2
0.29ppm
CO
Wyoming, USA
AQI 34
Good
2.56μg/m³
PM2.5
15.43μg/m³
PM10
37.32ppb
O3
0.84ppb
SO2
5.15ppb
NO2
0.17ppm
CO
Utah, USA
AQI 60
Moderate
14.28μg/m³
PM2.5
54.52μg/m³
PM10
15.21ppb
O3
0.85ppb
SO2
27.07ppb
NO2
0.31ppm
CO
North Dakota, USA
AQI 28
Good
3.23μg/m³
PM2.5
12.07μg/m³
PM10
30.48ppb
O3
0.69ppb
SO2
2.10ppb
NO2
0.14ppm
CO
Washington, USA
AQI 52
Moderate
9.72μg/m³
PM2.5
41.09μg/m³
PM10
9.13ppb
O3
0.28ppb
SO2
17.69ppb
NO2
0.36ppm
CO
Oregon, USA
AQI 38
Good
6.94μg/m³
PM2.5
31.26μg/m³
PM10
20.54ppb
O3
0.32ppb
SO2
8.95ppb
NO2
0.21ppm
CO
How accurate is Montana, USA air quality data?
Air quality data and pollutant measurements for Montana, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
Frequently asked questions
How often is the air quality data for Montana, USA updated?
The air quality for Montana, USA is updated every hour.
When was the worst air quality at Montana, USA in the last 24 hrs?
The worst air quality in Montana, USA in the last 24 hours was observed at 01:00:00 on 2026-01-22.
When was the best air quality at Montana, USA in the last 24 hrs?
In the last 24 hrs, the best air quality in Montana, USA was observed at 06:00:00 on 2026-01-22.
What is the current air quality in Montana, USA?
The current air quality in Montana, USA is 33, categorized as Good based on real-time data.
What pollutant is the most common in Montana, USA?
The most common pollutant in Montana, USA is O3.
What should I do if the air quality in Montana, USA is poor?
If the air quality in Montana, USA is poor, consider staying indoors and wearing a mask to protect yourself.
What is the current concentration of PM2.5 in Montana, USA?
The current PM2.5 concentration at Montana, USA is 5.801 μg/m3.
What is the current concentration of PM10 in Montana, USA?
The current PM10 concentration at Montana, USA is 25.468 μg/m3.
What is the current concentration of carbon monoxide (CO) in Montana, USA?
The current carbon monoxide (CO) concentration at Montana, USA is 0.277 ppm.
What is the current concentration of sulfur dioxide (SO2) in Montana, USA?
The current sulfur dioxide (SO2) concentration at Montana, USA is 0.625 ppb.
What is the current concentration of ozone (O3) in Montana, USA?
The current ozone (O3) concentration at Montana, USA is 35.618 ppm.
What is the current concentration of nitrogen dioxide (NO2) in Montana, USA?
The current nitrogen dioxide (NO2) concentration at Montana, USA is 3.671 ppb.
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