The Clark County Department of Environment and Sustainability (DES) is issuing an advisory for Monday, Sept. 7 for elevated levels of smoke and ozone due to the California wildfires sending smoke into central and southern Nevada. DES Division of Air Quality officials say smoke is made of small dust particles and other pollutants that can aggravate respiratory diseases and … [Read more...] about Smoke, Ozone Advisory Issued for Monday Due to Wildfire Smoke