5 Jan 2023 8:05 am
1. You may be missing the point here.
LA is in the San Fernando Valley.
Knock the valley down, and the pollution goes away.
2. "The San Fernando Valley is located in Los Angeles County, California. It includes the cities of Burbank, Glendale, San Fernando, Hidden Hills, and Calabasas, as well as many neighborhoods within the city of Los Angeles, such as Northridge, Arleta, Canoga Park, Chatsworth, Encino, Granada Hills, Lake View Terrace, Mission Hills, North Hollywood, North Hills, Pacoima, Panorama City, Porter Ranch, Reseda, Sherman Oaks, Studio City, Sun Valley, Sunland, Sylmar, Tarzana, Toluca Lake, Tujunga, Van Nuys, Valley Village, West Hills, Winnetka, and Woodland Hills.
https://libguides.csun.edu/la-san-fernando-valley/sfv
Los Angeles ... 75 towns in search of a city.