NO2 in Billings, MT
Real-time Nitrogen Dioxide monitoring and health recommendations
Current NO2 Levels
Overall AQI
About Nitrogen Dioxide
A reddish-brown gas from burning fuel, can irritate airways.
Measured in ppb
Health Impact
Members of sensitive groups may experience health effects. The general public is not likely to be affected.
Active children and adults, and people with respiratory disease, such as asthma, should limit prolonged outdoor exertion.
Sources of NO2
• Vehicle emissions (cars, trucks, buses)
• Power plants and industrial boilers
• Off-road equipment and engines
• Residential heating systems
Other Pollutants
Full Air Quality Report
View all pollutants and comprehensive air quality data for Billings.
View Full ReportFilter Combustion Gases in Billings
The dominant pollutant in Billings is a combustion gas (NO2), AQI 129. Particle (HEPA) filtration alone won't capture gases — you want a purifier with a real activated-carbon stage, which adsorbs nitrogen dioxide, sulfur dioxide and traffic/industrial fumes that seep indoors.
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Filter Combustion Gases in Billings
The dominant pollutant in Billings is a combustion gas (NO2), AQI 129. Particle (HEPA) filtration alone won't capture gases — you want a purifier with a real activated-carbon stage, which adsorbs nitrogen dioxide, sulfur dioxide and traffic/industrial fumes that seep indoors.
Compare activated-carbon purifiers (for gases):
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