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)
16
Good
Kalispell, Montana
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
1.23 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
5.48 μg/m³
0
55
155
255
425
605+
17.21 ppb
0
55
71
86
201
201+
1.04 ppb
0
36
76
186
605
1005+
4.27 ppb
0
54
101
361
1250
2050+
0.18 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Kalispell, Montana
Kalispell, Montana
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AQI 18
Good
1.06μg/m³
PM2.5
2.33μg/m³
PM10
19.08ppb
O3
1.11ppb
SO2
2.36ppb
NO2
0.16ppm
CO
AQI 25
Good
0.93μg/m³
PM2.5
4.11μg/m³
PM10
26.72ppb
O3
0.64ppb
SO2
2.95ppb
NO2
0.19ppm
CO
AQI 27
Good
4.89μg/m³
PM2.5
20.89μg/m³
PM10
21.20ppb
O3
0.61ppb
SO2
2.41ppb
NO2
0.19ppm
CO
AQI 27
Good
5.01μg/m³
PM2.5
21.55μg/m³
PM10
21.22ppb
O3
0.61ppb
SO2
2.43ppb
NO2
0.19ppm
CO
AQI 27
Good
4.80μg/m³
PM2.5
20.29μg/m³
PM10
21.67ppb
O3
0.61ppb
SO2
2.44ppb
NO2
0.18ppm
CO
AQI 22
Good
4.34μg/m³
PM2.5
16.82μg/m³
PM10
23.30ppb
O3
0.61ppb
SO2
2.44ppb
NO2
0.18ppm
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 2026-09-07.
The best air quality in Kalispell, Montana was recorded at 11:00:00 on 2026-09-06.
The real-time air quality index in Kalispell, Montana is 16, 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 1.229 μg/m3.
The current PM10 levels in Kalispell, Montana are 5.478 μg/m3.
The current carbon monoxide (CO) level in Kalispell, Montana is 0.182 ppm.
The current sulfur dioxide (SO2) levels in Kalispell, Montana are 1.039 ppb.
The current ozone (O3) levels at Kalispell, Montana is 17.206 ppm.
The current nitrogen dioxide (NO2) levels at Kalispell, Montana is 4.266 ppb.
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