Age: 52Background: She was was a sociology professor at California State University, Bakersfield.Why she left: A combination of asthma drugs was no match for smog, soot, dust, pollen and pesticides in Bakersfield's air. There were mornings when she had to rush to an urgent-care center for an emergency breathing treatment before giving her first lecture at the university, she said.Now: Patricia teaches at California State University, East Bay. Her health is better, she said, and her asthma is controlled enough "so I am avoiding urgent care and emergency room visits."