A 400-mile blanket of fog has socked in California’s Central Valley for weeks. Check y’all ... y’all crazy ... What’s going on? The Central Valley is known to have some of the worst air pollution in the country. He said while he hasn’t done any analyses of the Central Valley fog during this latest event, it’s not hard to imagine what could be lurking in the droplets. He said the good news is that while the primary route of exposure for people of this material is inhalation, the fog droplets are relatively big.

Source: Los Angeles Times December 20, 2025 15:31 UTC