SO2 in Manchester, NH
Real-time Sulfur Dioxide monitoring and health recommendations
Current SO2 Levels
Overall AQI
About Sulfur Dioxide
A gas from burning fossil fuels, can affect breathing.
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 SO2
• Fossil fuel combustion at power plants
• Industrial facilities and refineries
• Metal processing operations
• Volcanic eruptions (natural source)
Other Pollutants
Full Air Quality Report
View all pollutants and comprehensive air quality data for Manchester.
View Full ReportFilter Combustion Gases in Manchester
The dominant pollutant in Manchester is a combustion gas (SO2), AQI 57. 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 Manchester
The dominant pollutant in Manchester is a combustion gas (SO2), AQI 57. 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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