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)
35
Good
Kalispell, Montana
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.06 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
8.08 μg/m³
0
55
155
255
425
605+
38.11 ppb
0
55
71
86
201
201+
1.88 ppb
0
36
76
186
605
1005+
3.32 ppb
0
54
101
361
1250
2050+
0.59 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Kalispell, Montana
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AQI 38
Good
1.04μg/m³
PM2.5
1.25μg/m³
PM10
40.91ppb
O3
2.12ppb
SO2
2.01ppb
NO2
0.55ppm
CO
AQI 40
Good
3.48μg/m³
PM2.5
4.11μg/m³
PM10
42.80ppb
O3
0.10ppb
SO2
0.94ppb
NO2
0.72ppm
CO
AQI 38
Good
3.27μg/m³
PM2.5
14.85μg/m³
PM10
40.62ppb
O3
0.11ppb
SO2
0.96ppb
NO2
0.71ppm
CO
AQI 38
Good
3.27μg/m³
PM2.5
14.80μg/m³
PM10
40.68ppb
O3
0.12ppb
SO2
0.96ppb
NO2
0.71ppm
CO
AQI 38
Good
2.89μg/m³
PM2.5
13.20μg/m³
PM10
41.19ppb
O3
0.10ppb
SO2
0.96ppb
NO2
0.72ppm
CO
AQI 37
Good
2.13μg/m³
PM2.5
21.27μg/m³
PM10
40.49ppb
O3
0.10ppb
SO2
0.96ppb
NO2
0.72ppm
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 03:00:00 on 2026-03-09.
The best air quality in Kalispell, Montana was recorded at 05:00:00 on 2026-03-09.
The real-time air quality index in Kalispell, Montana is 35, 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 3.061 μg/m3.
The current PM10 levels in Kalispell, Montana are 8.078 μg/m3.
The current carbon monoxide (CO) level in Kalispell, Montana is 0.595 ppm.
The current sulfur dioxide (SO2) levels in Kalispell, Montana are 1.877 ppb.
The current ozone (O3) levels at Kalispell, Montana is 38.113 ppm.
The current nitrogen dioxide (NO2) levels at Kalispell, Montana is 3.323 ppb.
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