SAN FRANCISCO (KGO) -- After some hesitation, many Bay Area colleges and public schools decided to cancel classes. Some of those orders went into effect immediately. Others were planned for Friday or beyond.
RELATED: Check current Bay Area air quality levels
Within a few hours, the air quality index got noticeably worse, as college students on different campuses tried to shield themselves from the persistent smoke.
LIST: Schools closed in Bay Area due to Camp Fire smoke
See more stories, photos and videos on the Camp Fire in Butte County.
Schools closed throughout the Bay Area due to poor air quality caused by smoke from Camp Fire