Stay updated with real-time air quality in Kalispell, 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)
29
Good
Kalispell, Montana
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.00 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
18.00 μg/m³
0
55
155
255
425
605+
31.36 ppb
0
55
71
86
201
201+
0.58 ppb
0
36
76
186
605
1005+
5.82 ppb
0
54
101
361
1250
2050+
0.39 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Kalispell, Montana
Kalispell, Montana
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AQI 33
Good
5.79μg/m³
PM2.5
23.45μg/m³
PM10
11.09ppb
O3
0.52ppb
SO2
5.38ppb
NO2
0.51ppm
CO
AQI 49
Good
8.95μg/m³
PM2.5
13.03μg/m³
PM10
25.95ppb
O3
0.65ppb
SO2
5.06ppb
NO2
0.44ppm
CO
AQI 44
Good
8.24μg/m³
PM2.5
35.77μg/m³
PM10
20.48ppb
O3
0.57ppb
SO2
7.62ppb
NO2
0.44ppm
CO
AQI 49
Good
8.60μg/m³
PM2.5
37.11μg/m³
PM10
20.38ppb
O3
0.57ppb
SO2
7.70ppb
NO2
0.44ppm
CO
AQI 44
Good
8.15μg/m³
PM2.5
33.50μg/m³
PM10
18.89ppb
O3
0.56ppb
SO2
8.74ppb
NO2
0.44ppm
CO
AQI 44
Good
8.16μg/m³
PM2.5
30.19μg/m³
PM10
17.26ppb
O3
0.57ppb
SO2
7.33ppb
NO2
0.44ppm
CO
Air quality measurements for Montana, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Kalispell, Montana is updated on an hourly basis.
The worst air quality in Kalispell, Montana was recorded at 12:00:00 on 2026-01-23.
The best air quality in Kalispell, Montana was recorded at 01:00:00 on 2026-01-22.
The real-time air quality index in Kalispell, Montana is 29, currently categorized as Good.
The most common pollutant in Kalispell, Montana is O3.
If the air quality in Kalispell, Montana is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Kalispell, Montana at present are 4 μg/m3.
The current PM10 levels in Kalispell, Montana are 18.002 μg/m3.
The current carbon monoxide (CO) level in Kalispell, Montana is 0.393 ppm.
The current sulfur dioxide (SO2) levels in Kalispell, Montana are 0.576 ppb.
The current ozone (O3) levels at Kalispell, Montana is 31.364 ppm.
The current nitrogen dioxide (NO2) levels at Kalispell, Montana is 5.823 ppb.
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