Reno’s air quality may reach unhealthy levels for some this weekend. NNPH advises sensitive groups to limit outdoor exposure due to high ozone levels.

Arizona heat is here. It is only going to get hotter this summer. Our hot weather also helps ozone pollution to worsen.

Arizona heat is here, and it is only going to get hotter this summer. Our hot weather also helps ozone pollution to worsen. Ozone is formed through a chemical reaction that is triggered by heat.

June 1 marks the official start of ozone season along the Front Range. Experts are giving tips on how to stay safe on high ozone days.

Climate change could make it harder to control ground-level ozone, a key air pollutant linked to smog and health risks.

DENVER – While June 1 marks the unofficial start of summer in the minds of many Coloradans, it also marks the official start of the ozone season on the Front Range.

New Delhi: This summer, ground-level ozone exceedances were reported on 56 days between March 1 and April 25, according to a new analysis by Centre for Science and Environment (CSE). The worst day ...

Ozone exposure early in life raises the risk a child will develop asthma and wheezing by age 4, a recent analysis found. The study, published in JAMA Network Open, analyzed data on 1,188 children ...

Now new research indicates they are battling rising levels of another life-threatening pollutant – surface ozone. A study published in the journal Global Transitions says deaths from ozone in India ...

Humankind will soon lose a great deal of vigilance over the ozone layer, which shields life on Earth from harmful solar radiation. The impending loss of NASA’s Aura and the Canadian Space Agency ...