The U.S. Environmental Protection Agency has released a new standard for ground-level ozone. The standard, 70 parts per billion, replaces the previous standard of 75 parts per billion. All areas of Minnesota currently meet the new standard. But some areas of the state are close to it, so we will be continuing to work to reduce ozone levels in Minnesota.

Click here for the story on what Minnesota is doing to address ozone issues.

To get in touch with an MPCA spokesperson on this issue contact Dan Olson

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Caption: An air quality monitoring station located near Detroit Lakes is similar to others across the state that monitor levels of ozone in the air, as well as fine particles.

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Caption: The Twin Cities and other urban areas in Minnesota occasionally experience high levels of ozone during the warm, sunny months of the year when sunlight combines with exhaust from vehicles to create ground level ozone.