SO2 in Fresno, CA

Real-time Sulfur Dioxide monitoring and health recommendations

Current SO2 Levels

104
Unhealthy for Sensitive Groups

Overall AQI

46
ppb
AQI 104

About Sulfur Dioxide

A gas from burning fossil fuels, can affect breathing.

Measured in ppb

Health Impact

Unhealthy for Sensitive Groups

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 SO2

• Fossil fuel combustion at power plants

• Industrial facilities and refineries

• Metal processing operations

• Volcanic eruptions (natural source)

Full Air Quality Report

View all pollutants and comprehensive air quality data for Fresno.

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