Ozone in Fresno, CA
Real-time Ground-level Ozone monitoring and health recommendations
Current Ozone Levels
104
Unhealthy for Sensitive Groups
Overall AQI
57
ppb
AQI 104
About Ground-level Ozone
A harmful gas created by chemical reactions between pollutants in sunlight.
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 Ozone
• Chemical reactions between NOx and VOCs in sunlight
• Vehicle emissions
• Industrial facilities
• Gasoline vapors and solvents
Other Pollutants
Full Air Quality Report
View all pollutants and comprehensive air quality data for Fresno.
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