Wildfires And Heat Wave Impact Air Quality Around Northern California Tuesday, September 5, 2017 | Sacramento, CA Listen / download audio Update RequiredTo play audio, update browser or Flash plugin. Air quality alerts and triple digit heat kept many families indoors over the Labor Day weekend. CAL FIRE's Scott McLean joins Insight to talk about wildfires and air quality issues around the state. Articles: Wind-Whipped Wildfires Bear Down On Yosemite National Park Dead Trees Could Pose Significant Threat To Outdoor Enthusiasts Labor Day Weekend CAL FIRE Update On Ponderosa Fire In Butte County, New Documentary "Fire Chasers"