SO2 in Rockford, IL
Real-time Sulfur Dioxide monitoring and health recommendations
Current SO2 Levels
46
Good
Overall AQI
42
ppb
AQI 46
About Sulfur Dioxide
A gas from burning fossil fuels, can affect breathing.
Measured in ppb
Health Impact
Good
Air quality is considered satisfactory, and air pollution poses little or no risk.
Sources of SO2
• Fossil fuel combustion at power plants
• Industrial facilities and refineries
• Metal processing operations
• Volcanic eruptions (natural source)
Other Pollutants
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