Sadly, yes: the air in two popular national parks in California. people visit parks on smoggy days. "It turns out a 1% increase in ozone levels results in a 1% decrease in visitation," said Keiser. Oct 4, 2018 – View the Best vacation rentals with Prices in Los Angeles. View TripAdvisor’s 1,711 unbiased reviews and great deals on beach rentals in Los Angeles, CA Mar 18, 2016. Picture it: Driving…