Don't worry, CARB has been working on that one for years, BBQ's are on their agenda as well. Not surprising with the population density in LA County, and all the polution held in the area by the surrounding mountains. I remember being up on a viewpoint in a national park east of LA, you could see the brown soup(air) way down there to the west.
It has gotten much better since the EPA and the AQMD started regulating things such as outlawing burning of leaves and trash. On the other hand, the area always smelled better than NYC! [Just another cheap shot at post #5! My bad!]
Warning!! Handling a Hasselblad can be harmful to your financial well being!
Nothing beats a great piece of glass!
I leave the digital work for the urologists and proctologists.