Thursday, May 24, 2018 Last Update: 4:33 AM

How indoor air pollution can be as dangerous as outdoor smog in houses, schools near Southern California freeways

Inland Valley Daily Bulletin
Tuesday, May 15, 2018 - 07:17

Several million adults and children suffer from asthma in Southern California, home of the worst air pollution ... installed in 72 schools and related institutions from Coachella in Riverside County to the L.A. port cities to East Los Angeles at a cost ...