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Ozone

Tucson jurors deadlock on key charges in ozone cancer treatment trial

A Tucson construction worker who claims he can cure gynecological cancers by treating women with ozone was found guilty of practicing without a license, a misdemeanor, Friday, but the jury deadlocked on whether he was guilty of the felony fraud and illegally conducting an enterprise charges.

Air quality advisory issued for Tucson

Another air quality advisory was issued today by the Pima County Department of Environmental Quality because of the elevated levels of smoke and ground-level ozone.

Air quality here gets high rating

Orange days - On an orange day for ozone, the air is considered unhealthful for children, the elderly, active people who work or exercise outdoors or anyone with lung diseases such as asthma, chronic bronchitis and emphysema.

Air quality here gets high rating

Pima County residents may be surprised by the high marks our air quality earns. But it's not time to celebrate, says a local air pollution expert, even though an American Lung Association report shows the air quality is in better shape than in many major cities.