SDG 12 · Indicator

Ozone Levels

Parts per million (ppm)

Displaying Ratings

Ratings provide a visual representation of a state’s performance on the indicator.


Click on a state to see its performance.

SDG achieved

Challenges remain

Significant challenges remain

Major challenges remain

Information unavailable


The 4th highest daily maximum 8-hour average Ozone level in the year (ppm)

Long-Term Objective

Best value set to inside EPA's 'Good' AQI band

The long-term objective for this indicator is a value of 0.04.


Air Quality Statistics Report, Environmental Protection Agency

Ozone Levels