NO2 in Winston-Salem, NC
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
Air quality is acceptable; however, for some pollutants there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.
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 Winston-Salem.
View Full ReportFilter Combustion Gases in Winston-Salem
The dominant pollutant in Winston-Salem is a combustion gas (NO2), AQI 54. 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 Winston-Salem
The dominant pollutant in Winston-Salem is a combustion gas (NO2), AQI 54. 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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