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Heat Wave Triggers Ozone Alerts Across Maine and Northwest

8/13/2025

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Summary

Story summary

Maine's Department of Environmental Protection has issued a warning about unhealthy ozone levels along the southwest coast, driven by extreme heat. Vulnerable groups, such as children and individuals with respiratory conditions, are urged to stay indoors. Meanwhile, the Northwest is also grappling with heat alerts, as Portland swelters under temperatures approaching 100 degrees and elevated ozone pollution.

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Story summary

Maine's Department of Environmental Protection has issued a warning about unhealthy ozone levels along the southwest coast, driven by extreme heat. Vulnerable groups, such as children and individuals with respiratory conditions, are urged to stay indoors. Meanwhile, the Northwest is also grappling with heat alerts, as Portland swelters under temperatures approaching 100 degrees and elevated ozone pollution.