Excessive Heat Warning

from THU 1:36 PM PDT until SAT 8:00 PM PDT, East Slopes Northern Cascades, Wenatchee Area

from THU 11:00 PM PDT until SAT 11:00 PM PDT, Western Whatcom County, West Slopes North Cascades and Passes, West Slopes North Central Cascades and Passes, East Puget Sound Lowlands, West Slopes South Central Cascades and Passes, Southwest Interior

until SAT 11:00 AM PDT, Lower Columbia and I - 5 Corridor in Cowlitz County

Air Quality Alert

until FRI 11:00 AM PDT, Ferry County, Okanogan County, Stevens County

Homework: How much is too much?

By Rob Mackay

Published March 14, 2014

SEATTLE -- Dr. Cora Breuner, of Seattle Children's Hospital, discusses the issue in the video report.