The Colorado Department of Public Health and Environment has issued the following. WHAT. Air Quality Health Advisory for Wildfire Smoke. WHERE. Moffat, Routt, Grand and Jackson Counties. Locations include, but are not limited to Craig, Steamboat Springs, Granby, Hot Sulphur Springs, Kremmling and Walden. WHEN. 300 PM Monday July 22 to 900 AM Tuesday July 23 IMPACTS. Heavy smoke from out-of-state wildfires will impact the region through at least early Tuesday morning. HEALTH INFORMATION. Public Health Recommendations: If smoke is thick or becomes thick in your neighborhood you may want to remain indoors. This is especially true for those with heart disease, respiratory illnesses, the very young, and older adults. Consider limiting outdoor activity when moderate to heavy smoke is present. Consider relocating temporarily if smoke is present indoors and is making you ill. If visibility is less than 5 miles in smoke in your neighborhood, smoke has reached levels that are unhealthy.