Claim: As a student at Occidental College in Los Angeles from 1979 to 1981, "there were days where folks couldn't go outside. … because of all the pollution in the air."
Fact-check: Barack Obama says when he went to college in Los Angeles, the pollution was often so bad that 'folks couldn't go outside'
Verdict: mostly-true
Organisation: PolitiFact
Author: Louis Jacobson
Date published: 2013-06-26T00:00:00