NOTTINGHAM, MD—The Maryland Department of the Environment has issued a Code Orange Air Quality Alert for Monday for the Baltimore area.

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.

Hear indices on Monday are expected to reach 110–115 degrees with actual high temperatures of around 100 degrees. An Excessive Heat Watch is also in effect.