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)
22
Good
Missoula, Montana
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
3.82 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.23 μg/m³
0
55
155
255
425
605+
20.09 ppb
0
55
71
86
201
201+
2.35 ppb
0
36
76
186
605
1005+
2.67 ppb
0
54
101
361
1250
2050+
0.24 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Missoula, Montana
Missoula, Montana
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AQI 49
Good
8.88μg/m³
PM2.5
45.88μg/m³
PM10
34.74ppb
O3
0.97ppb
SO2
1.07ppb
NO2
0.35ppm
CO
AQI 26
Good
3.80μg/m³
PM2.5
17.01μg/m³
PM10
28.43ppb
O3
1.44ppb
SO2
1.45ppb
NO2
0.21ppm
CO
AQI 44
Good
8.09μg/m³
PM2.5
35.99μg/m³
PM10
35.29ppb
O3
0.94ppb
SO2
1.26ppb
NO2
0.20ppm
CO
AQI 52
Moderate
10.20μg/m³
PM2.5
45.00μg/m³
PM10
34.90ppb
O3
1.55ppb
SO2
1.77ppb
NO2
0.18ppm
CO
AQI 44
Good
8.07μg/m³
PM2.5
35.40μg/m³
PM10
41.55ppb
O3
1.04ppb
SO2
2.05ppb
NO2
0.16ppm
CO
AQI 39
Good
6.39μg/m³
PM2.5
28.20μg/m³
PM10
41.68ppb
O3
0.98ppb
SO2
1.92ppb
NO2
0.15ppm
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 01:00:00, 2025-07-19.
The best air quality in Missoula, Montana was observed at 03:00:00 on 2025-07-19.
The air quality in Missoula, Montana right now is Good, with an AQI of 31.
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 1.757 μg/m3.
Missoula, Montana currently has a PM10 concentration of 12.114 μg/m3.
The current carbon monoxide (CO) level in Missoula, Montana is 0.2 ppm.
The current sulfur dioxide (SO2) concentration in Missoula, Montana is 1.315 ppb.
Missoula, Montana currently has an ozone (O3) concentration of 34.014 ppm.
The current level of nitrogen dioxide (NO2) in Missoula, Montana is 1.266 ppb.
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