Millions in California Warned About Exercising Outdoors

 https://www.newsweek.com/millions-california-warned-exercising-outdoors-2005086

Of course any big city or industrial area can still get occasionally smoggy.

The LA City Hall was once the tallest building in California, now it's just like another stump building.

https://www.newsweek.com/millions-california-warned-exercising-outdoors-2005086#slideshow/2550275

https://news.berkeley.edu/2024/09/11/california-has-dramatically-improved-its-air-quality-but-racial-disparities-persist/

South Florida-sees-dozens-of-luxury-high-rise-buildings-start-to-sink

 https://nypost.com/2024/12/18/real-estate/south-florida-sees-dozens-of-luxury-high-rise-buildings-start-to-sink/