Fierce heat wave is building in the US West: Extreme heat + air pollution can be deadly, with the health risk together worse than either alone
- Written by Erika Garcia, Assistant Professor of Population and Public Health Sciences, University of Southern California
Bad air pollution and extreme heat each raise health risks, but they're worse combined.Brian van der Brug/Los Angeles Times via Getty ImagesOn the morning news, you see the weather forecast is for high heat, and there is an “excessive heat watch” for later in the week. You were hoping the weather would cool down, but yet another heat...





