Yifang Zhu

Professor of Environmental Health Sciences, University of California, Los Angeles

Yifang Zhu

Forecasters had warned about high winds and exceptionally dry conditions, but few people expected to see smoke and fires for weeks in one of America’s largest metro areas.

LA fires: Chemicals from the smoke lingered inside homes long after the wildfires were out — studies tracked the harm

06 Jan 2026

5 min read