Asthma & Allergy Sufferers Beware, More Smoke & Haze Heading Toward ColoradoIt's normally a welcomed sign of the changing seasons, but this year, it means trouble for those who suffer from asthma and other respiratory issues.
Smoke From Canadian Wildfires Largely Gone From ColoradoSmoke from hundreds of wildfires burning across western Canada has largely dissipated over Colorado.
Canadian Wildfire Smoke Prompts Health Warning In ColoradoSmoke drifting south from wildfires burning in Canada has spread into Colorado, prompting a health warning for the eastern half of the state.
A Health Alert For Your Heart And Lungs: How To Protect YourselfThe Colorado Department of Public Health and Environment has issued an Action Day Alert for areas east of the Continental Divide because of unhealthy air quality due to wildfires in Canada. CBS4's Dr. Dave Hnida explains what steps you should take to protect your health.
Wildfires In Canada Cause Air Quality Advisory In ColoradoSmoke from wildfires in western Canada has triggered an air quality advisory in northeastern Colorado.
Denver's Air Is Deteriorating: New Report From Lung AssociationThe American Lung Association believes the air quality in Denver is deteriorating.
Hundreds Tour NCAR Planes Studying Front Range Air QualityThree research aircraft have been flying over the Front Range the last few weeks -- sometimes at only about 1,000 feet. The flights are testing Colorado's air quality and sparking a lot of curiosity.
Scientists Fly Over Colorado To Test OzoneLow-flying aircraft will be flying along the Front Range over the next several weeks to test Colorado's ozone.
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.
Colorado Oil And Gas Industry May See Big Changes olorado's tensions over oil and gas production have threatened to boil over this year.
Wildfires Prompt Smoke Warnings From State OfficialsThe wildfires burning across Colorado have prompted a series of smoke warnings, with some residents being asked to stay inside to avoid hot, smoky conditions.
Wildfires Create Dangerous Air Quality Conditions Along Front RangeThe three wildfires burning in Colorado are creating potentially dangerous air quality conditions along the Front Range.