"Smog World" in Napa, California. However, there is a well-known Smog World located in Monterey Park, CA, which is a STAR-certified smog check station offering quick and reliable services. They provide a 10-minute smog test service and even offer a free headlight polish with each smog check. Their address is 401 Monterey Pass Rd #F, Monterey Park, CA 91754, and they can be reached at (626) 284-8900.