Stay updated with real-time air quality in Missoula, Montana 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)
17
Good
Missoula, Montana
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
0.86 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
2.31 μg/m³
0
55
155
255
425
605+
17.99 ppb
0
55
71
86
201
201+
2.77 ppb
0
36
76
186
605
1005+
1.90 ppb
0
54
101
361
1250
2050+
0.37 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Missoula, Montana
Missoula, Montana
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AQI 27
Good
2.50μg/m³
PM2.5
4.01μg/m³
PM10
28.72ppb
O3
1.79ppb
SO2
1.55ppb
NO2
0.34ppm
CO
AQI 15
Good
0.70μg/m³
PM2.5
3.00μg/m³
PM10
16.03ppb
O3
2.78ppb
SO2
2.84ppb
NO2
0.40ppm
CO
AQI 28
Good
1.13μg/m³
PM2.5
4.07μg/m³
PM10
29.75ppb
O3
1.76ppb
SO2
1.17ppb
NO2
0.30ppm
CO
AQI 38
Good
7.30μg/m³
PM2.5
32.00μg/m³
PM10
32.37ppb
O3
1.68ppb
SO2
1.24ppb
NO2
0.30ppm
CO
AQI 27
Good
5.49μg/m³
PM2.5
23.51μg/m³
PM10
25.46ppb
O3
2.48ppb
SO2
2.64ppb
NO2
0.33ppm
CO
AQI 23
Good
4.13μg/m³
PM2.5
17.55μg/m³
PM10
24.94ppb
O3
2.37ppb
SO2
2.73ppb
NO2
0.32ppm
CO
The air quality data for Montana, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Missoula, Montana are available every hour.
Missoula, Montana experienced its worst air quality at 03:00:00, 2025-12-06.
The best air quality in Missoula, Montana was observed at 10:00:00 on 2025-12-06.
The air quality in Missoula, Montana right now is Good, with an AQI of 17.
In Missoula, Montana, O3 is the most frequently found pollutant.
When air quality in Missoula, Montana is compromised, staying indoors and wearing a mask can reduce health risks.
Missoula, Montana currently has a PM2.5 concentration of 0.859 μg/m3.
Missoula, Montana currently has a PM10 concentration of 2.309 μg/m3.
The current carbon monoxide (CO) level in Missoula, Montana is 0.371 ppm.
The current sulfur dioxide (SO2) concentration in Missoula, Montana is 2.766 ppb.
Missoula, Montana currently has an ozone (O3) concentration of 17.994 ppm.
The current level of nitrogen dioxide (NO2) in Missoula, Montana is 1.901 ppb.
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