Continuing this six part New York Times series.... "Smog"
"As part of an ongoing quiz about transportation in Los Angeles, in the last post I challenged the notion that the city is sprawling. But sprawl or no, Los Angeles’s air is choked with its world-famous smog. Isn’t it?
Answer: A half-truth.Thanks to clear and sunny skies, warm temperatures, stable air, and an onshore sea-breeze, the Los Angeles area is an outstanding natural smog cooker.
Indeed, air pollution in the region long predates the arrival of the automobile. In 1542, Juan Rodriguez Cabrillo, the first European to lay eyes on Santa Monica Bay, saw the area shrouded in smog from native campfires and named it the Bay of Smoke.
Now, 450 years later, no one is rushing to rechristen it the Bay of Healthfulness. Each year, Los Angeles violates the national air-quality standards for ozone by a factor of more than two. Moreover, Los Angeles has serious problems with fine particles (PM2.5). This is especially true near the city’s ports, where thousands of trucks spew diesel exhaust that we Angelenos breathe so that those of you in the rest of the nation can enjoy the imports from Asia that underpin your standard of living...."
read the rest here at the New York Times...