With levels of sooty air pollution far too high across swaths of the Los Angeles area, Dana Benton is sleeping with a mask on, even with her air purifier running. “My car was just covered in ash ...
PM2.5 concentration is currently 18.2 times the World Health Organisation’s annual PM2.5 guideline value Source: IQAir In the current day we wake up to our air purifiers, smartphones warning us ...