World Ozone Day 2025: Ozone is the protective layer of Earth, shielding the planet from the harmful ultraviolet (UV) radiation and allowing life to blossom, safeguarding ecosystems and human health.

Pima County issued its first Ozone Action Day of the year Tuesday, June 25. During the monsoon in Tucson, residents experience increased humidity, rainstorms, heat, and particulates such as dust and ...

World Ozone Day, also referred to as the International Day for the Preservation of the Ozone Layer, is celebrated every year on September 16. This observance was established by the United Nations ...

While it may be a beautiful and sunny day in San Antonio, state environmental officials are warning ozone levels today may be dangerous for those with respiratory issues. On Saturday, the city of San ...

Sunset on a summer's day. — Image by © Tim Sandle. Sunset on a summer's day. — Image by © Tim Sandle. September 16 th is World Ozone Day, a celebration of the ...

Getting your Trinity Audio player ready... What exactly are “Ozone Action Day” alerts, and why do they seem to multiply in the heat? So far in 2024, Colorado health officials have issued 15 Ozone ...

OMAHA, Neb. (WOWT) - As ground-level ozone remains elevated, the Metropolitan Area Planning Agency has declared Sunday, June 25 an Ozone Action Day. The Douglas County Health Department’s air quality ...