Stay updated with real-time air quality in Billings, 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)
33
Good
Billings, Montana
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
3.30 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
14.98 μg/m³
0
55
155
255
425
605+
36.26 ppb
0
55
71
86
201
201+
0.85 ppb
0
36
76
186
605
1005+
3.43 ppb
0
54
101
361
1250
2050+
0.14 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Billings, Montana
Billings, Montana
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AQI 34
Good
1.00μg/m³
PM2.5
4.00μg/m³
PM10
37.13ppb
O3
0.61ppb
SO2
1.73ppb
NO2
0.14ppm
CO
AQI 32
Good
1.50μg/m³
PM2.5
10.98μg/m³
PM10
35.38ppb
O3
0.77ppb
SO2
3.94ppb
NO2
0.11ppm
CO
AQI 32
Good
3.80μg/m³
PM2.5
17.00μg/m³
PM10
35.01ppb
O3
0.63ppb
SO2
1.48ppb
NO2
0.18ppm
CO
AQI 32
Good
3.80μg/m³
PM2.5
16.86μg/m³
PM10
35.12ppb
O3
0.63ppb
SO2
1.50ppb
NO2
0.18ppm
CO
AQI 35
Good
4.97μg/m³
PM2.5
21.30μg/m³
PM10
37.74ppb
O3
0.63ppb
SO2
2.30ppb
NO2
0.19ppm
CO
AQI 44
Good
7.60μg/m³
PM2.5
34.00μg/m³
PM10
37.38ppb
O3
0.48ppb
SO2
5.70ppb
NO2
0.22ppm
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 Billings, Montana is updated on an hourly basis.
The worst air quality in Billings, Montana was recorded at 01:00:00 on 2025-10-22.
The best air quality in Billings, Montana was recorded at 11:00:00 on 2025-10-21.
The real-time air quality index in Billings, Montana is 33, currently categorized as Good.
The most common pollutant in Billings, Montana is O3.
If the air quality in Billings, Montana is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Billings, Montana at present are 3.296 μg/m3.
The current PM10 levels in Billings, Montana are 14.983 μg/m3.
The current carbon monoxide (CO) level in Billings, Montana is 0.137 ppm.
The current sulfur dioxide (SO2) levels in Billings, Montana are 0.848 ppb.
The current ozone (O3) levels at Billings, Montana is 36.263 ppm.
The current nitrogen dioxide (NO2) levels at Billings, Montana is 3.428 ppb.
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