SOUTHERN CALIFORNIA | MOBILE COMPLIANCE TESTING call (424) 423-0749
MobileOBDOVIOVI tests are required for 2012 and older enginesMotor Home
Clean Truck Check in Long Beach, CA
24 credentialed testers in Long Beach.
Testers in Long Beach
Long Beach Maintenance and Repair
THOMAS THACKER
MobileOBDOVIOVI tests are required for 2012 and older enginesMotor Home
DMV Smog Check
Tin Chieng
MobileOBDOVIOVI tests are required for 2012 and older enginesMotor Home
Yovanni Nuno
MobileOBDMotor Home
Trucking activity in Los Angeles County
Clean Truck Check applies to heavy-duty vehicles that operate in California — including out-of-state trucks based here that run loads west.
Trucking establishments
5,780
Trucking employees
39,203
Source: FMCSA MCMIS carrier census, US Census County Business Patterns 2021.
Air quality context in and around Long Beach
Annual aggregate readings from EPA Air Quality System monitors within about 25 miles of Long Beach, reporting year 2025. Clean Truck Check exists to reduce real-world emissions from heavy-duty vehicles — the numbers below are the local baseline those rules are designed to improve.
PM2.5
11.63 Micrograms/cubic meter (LC)
8 monitors · 70,356 observations · 543 days above standard
Nitrogen dioxide (NO₂)
17.65 Parts per billion
14 monitors · 256,064 observations · 0 days above standard
Ozone (O₃)
0.05 Parts per million
12 monitors · 378,543 observations · 318 days above standard
Source: EPA Air Quality System (AQS) API. Reporting year 2025. Last fetched 2026-05-18.