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Current Conditions: AQMD Home Page Air Quality Forecast (AQI) *NEW Current Readings (Clickable Map) Current Readings (Text) Daily Air Quality Forecast
Air Quality: Home Air Quality Data by Year Historic Ozone Air Quality Trends
1997 Southern California Ozone Study
Animated Daily Ozone map This map is updated daily from May-October. In other months, clicking the link will lead to archived data.
Ozone Trends
California Air Resources Board - today's ozone data.
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