This is an important message from the District of Columbia AlertDC system.
NWS has issued a Code ORANGE Air Quality Alert in affect for Wednesday, May 17, 2017. A Code Orange Air Quality Alert means that air pollution concentrations within the region may become unhealthy for sensitive groups. Sensitive groups include children, people suffering from asthma, heart disease or other lung diseases, and the elderly. The effects of air pollution can be minimized by avoiding strenuous activity or exercise outdoors.