The Virginia Department of Environmental Quality has issued a Code PURPLE Air Quality Alert Friday for Winchester and the eastern West Virginia Panhandle. A Code Purple Air Quality Alert means that air pollution concentrations within the region are very unhealthy for the general population. The risk of health effects is increased for everyone. The effects of air pollution can be minimized by avoiding strenuous activity or exercise outdoors. For more information on ground-level ozone and fine particles visit the web site Virginia DEQ air quality web site at www.deq.virginia.gov