Denver Ozone Ranked 11th Worst In U.S.Denver's skyline is one of the most scenic in the nation but it's still among the worst polluted in the nation.
Clean Air Group Says Denver Improving On OzoneOzone 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.
Pot Club Showdown Nears Between Gov. Hickenlooper, LawmakersColorado lawmakers are moving closer to a showdown with the governor over pot clubs.
From Springs To Wyoming Line, Colorado Flunks Ozone RatingsThe Colorado Front Range from Colorado Springs to Greeley and Fort Collins gets a failing grade on ozone pollution, an annual report card on air quality said Wednesday.
Denver's Air Is Deteriorating: New Report From Lung AssociationThe American Lung Association believes the air quality in Denver is deteriorating.
Some Colorado Counties Get Failing Grade When It Comes To OzoneA new report released from the American Lung Association shows there is still room for improvement of air quality across Colorado.
9th Annual 'Anthem Fight For Air' Takes Place At Republic PlazaParticipants climbed 56 flights of stairs for the 9th annual “Anthem Fight For Air” at Republic Plaza on Sunday.
Outdoor Air Quality: Is America Suffocating Itself?This spring, runny eyes and a stuffed up nose may not be the result of seasonal allergens.
Air Quality In Jefferson And Douglas Counties Gets An "F"The American Lung Association put out its annual report on Wednesday. It assigns letter grades to counties along the Front Range. The grades are based on information gathered from air monitoring stations.
Thousands Participate In 'Fight For Air Climb'Thousands of people joined together Sunday to fight for something we often take for granted -- breathing.
Taking Big Steps For Your Health With The 2012 Fight For Air Stair Climb in Denver
EPA Holds Hearing In Denver On Oil And Gas RulesThe energy industry asked the Environmental Protection Agency on Wednesday to take more time to rethink its proposed rules for limiting air pollution at oil and gas wells.