Unhealthy ozone levels, heat to descend on state Friday

PORTLAND PRESS HERALD • June 30, 2022

July will roar in Friday with high temperatures and unhealthy ozone levels, prompting warnings that Mainers take precautions to stay safe and avoid the air pollution. Winds from the south are expected to push ground-level ozone concentrations to unhealthy levels along the coast, posing a significant threat to people with breathing challenges from Kittery to Acadia National Park, according to the Maine Department of Environmental Protection.