Map Shows 4 States Warned of Bad Air Quality
The advisories impact large areas of Idaho, Oregon, Montana and Washington, lasting through the end of January.
Axios on MSN19h
San Diego air pollution improved 4.6%, EPA says
Air quality in San Diego is improving, according to year-over-year data. Why it matters: Long-term exposure to poor air quality is harmful to your health. By the numbers: The average percentage of ...