Smog gets bad quickly in the San Joaquin Valley. Images taken just days apart show the dramatic shift

Sight of the Sierra Nevada from Tulare County all but disappeared within days at the end of January as the San Joaquin Valley floor became choked with soot and dust, creating air pollution ranking the worst in the nation.
Up Next
Sight of the Sierra Nevada from Tulare County all but disappeared within days at the end of January as the San Joaquin Valley floor became choked with soot and dust, creating air pollution ranking the worst in the nation.

Marek Warszawski writes opinion columns on news, sports and quality of life issues for The Fresno Bee, where he has worked since 1998. He is a Bay Area native, a UC Davis graduate and lifelong Sierra frolicker. He does not suffer fools nor trolls.