Wildfire smoke from Canada moving through Maryland from midday Monday through midday Tuesday has prompted the Maryland Department of the Environment to issue an Unhealthy for Sensitive Groups (orange) air quality alert for the western and northern areas of the state.

"Additionally, smoke is ushering in higher ozone concentrations, leading to ozone pushing the USG level as well in some of these same areas, but particularly for the northeastern half of the state, along and north of I-95. Smoke will arrive to the I-95 corridor by midday Monday," according to MDE's air forecast.

Under a code orange, people in sensitive groups are advised to stay inside if possible. This includes older adults, children, teens and people with heart or lung disease, according to AirNow.gov.

The smoke passing through Maryland Monday and Tuesday is relatively diffuse compared to that experienced earlier in the summer, according to MDE. The south and east portions of the state will see lower concentrations of fine particle pollution levels.... Read More: Pikesville Patch