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)
15
Good
Kalispell, Montana
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
0.70 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
3.00 μg/m³
0
55
155
255
425
605+
16.03 ppb
0
55
71
86
201
201+
2.78 ppb
0
36
76
186
605
1005+
2.84 ppb
0
54
101
361
1250
2050+
0.40 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Kalispell, Montana
Kalispell, Montana
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AQI 17
Good
0.86μg/m³
PM2.5
2.31μg/m³
PM10
17.99ppb
O3
2.77ppb
SO2
1.90ppb
NO2
0.37ppm
CO
AQI 23
Good
1.42μg/m³
PM2.5
6.09μg/m³
PM10
25.33ppb
O3
2.53ppb
SO2
2.52ppb
NO2
0.35ppm
CO
AQI 33
Good
5.53μg/m³
PM2.5
23.67μg/m³
PM10
25.55ppb
O3
2.48ppb
SO2
2.64ppb
NO2
0.33ppm
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 27
Good
4.84μg/m³
PM2.5
20.68μg/m³
PM10
24.68ppb
O3
2.48ppb
SO2
2.66ppb
NO2
0.33ppm
CO
AQI 19
Good
3.21μg/m³
PM2.5
6.64μg/m³
PM10
20.62ppb
O3
2.49ppb
SO2
2.66ppb
NO2
0.33ppm
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 06:00:00 on 2025-12-07.
The best air quality in Kalispell, Montana was recorded at 06:00:00 on 2025-12-06.
The real-time air quality index in Kalispell, Montana is 15, 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 0.7 μg/m3.
The current PM10 levels in Kalispell, Montana are 3.001 μg/m3.
The current carbon monoxide (CO) level in Kalispell, Montana is 0.402 ppm.
The current sulfur dioxide (SO2) levels in Kalispell, Montana are 2.778 ppb.
The current ozone (O3) levels at Kalispell, Montana is 16.03 ppm.
The current nitrogen dioxide (NO2) levels at Kalispell, Montana is 2.844 ppb.
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