BALTIMORE, MD—The National Weather Service has issued a Heat Advisory and a Code Orange Air Quality Alert for Wednesday in the Baltimore area.
The Heat Advisory will be in effect from 11 a.m. until 9 p.m. on June 25, 2025. The Code Orange will remain in effect until midnight Wednesday night.
Heat Advisory
Forecasters say heat index values of up to 108 degrees are expected. Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses.
Residents are reminded to drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.
Code Orange
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.
For more information on ground-level ozone and fine particles visit the Maryland Department of the Environment website.
