Clean Air Group Says Denver Improving On Ozone

DENVER (AP) – Ozone pollution has improved in both Denver and Fort Collins, but both cities are still among the 15 worst in the nation, the American Lung Association said.
Fort Collins (credit: CBS)
The association’s 2017 clean air report released late Tuesday said Denver had the 11th-worst ozone levels and Fort Collins had the 15th-worst.
Denver (credit: CBS)
Last year, Denver was eighth and Fort Collins 10th.
Ozone can be harmful to people with respiratory problems and other vulner