The American Lung Association has given failing grades for air quality to multiple California cities and counties. San Bernardino and Riverside have again been ranked as the worst for ozone pollution.
According to the organization’s annual State of the Air report, which was released earlier today, 34 million Californians live in a county with a failing grade. The report shows that San Bernardino County remains one of the smoggiest areas in the state. The county experienced about five months, or 152 days, worth of unhealthy ozone pollution. Riverside County had 84 bad smog days.
Other Southern California counties, including Los Angeles, Orange, Imperial and San Diego, received ‘F’ grades for ozone…