Fire Resource Center (KGTV TheSanDiegoChannel.com via Yahoo! News) .submitbutton {text-align:center;}.storyAd{display:none;} [News Source]

Retreating California fires leave smoke hazard (AFP/Getty Images/File via Yahoo! News) Firefighters tightened their grip on California's wildfires with the help of cooler weather, although a health threat remained Sunday from choking smoke and lingering ash over the region. [News Source]

Retreating California fires leave smoke hazard (AFP via Yahoo! News) Firefighters tightened their grip on California's wildfires with the help of cooler weather, but a health threat remained Sunday from choking smoke and ash over the region, officials said. [News Source]

Retreating California fires leave smoke hazard (AFP via Yahoo! News) Firefighters tightened their grip on California's wildfires with the help of cooler weather, but a threat remained Sunday of health hazards from choking plumes of smoke over the region. [News Source]

Retreating California fires leave smoke hazard (AFP via Yahoo! Singapore News) Firefighters tightened their grip on California's wildfires with the help of cooler weather, but a threat remained Sunday of health hazards from choking plumes of smoke over the region. [News Source]

Retreating California fires leave smoke hazard (AFP via Yahoo! Malaysia News) Firefighters tightened their grip on California's wildfires with the help of cooler weather, but a threat remained Sunday of health hazards from choking plumes of smoke over the region. [News Source]