Air quality warning issued for Chicago and Will County

Expect hot and humid weather every day this week. If you spend time outdoors, stay hydrated, wear light clothing, and take breaks in the shade or indoors.

Meanwhile, an air quality warning is in effect in the Chicago area today. National Weather Service says that an action day on air pollution has been declared for Cook, McHenry, Lake, Kane, DuPage, Kendall and Will Counties. This happens when weather conditions have the potential to cause health problems. Active children and adults, especially those with lung or respiratory diseases, should limit prolonged outdoor activities.