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What counties in California are smog exempt?

Published in California Smog Check 1 min read

In California, specific counties are exempt from the routine Smog Check requirement, meaning vehicles registered within them generally do not need to undergo this inspection. Based on information from 2022, the counties identified as smog exempt include Mendocino, Modoc, and Mono.

Understanding Smog Check Exemptions

The California Smog Check Program is a vital part of the state's efforts to control air pollution by ensuring vehicles meet emission standards. While the program mandates regular vehicle emissions inspections across most of the state, certain counties are designated as "smog exempt." This designation typically applies to areas with lower population densities, where vehicle emissions have a proportionally smaller impact on regional air quality.

List of Smog Exempt California Counties

The following table details the counties that are listed as exempt from the standard Smog Check requirement, as of 2022:

County Smog Check Required? (As of 2022)
Mendocino No
Modoc No
Mono No

These counties do not typically require a routine Smog Check for vehicles primarily registered within their boundaries.