Marks old towne service
Gilbert Felix
MobileOBDOVIOVI tests are required for 2012 and older enginesMotor Home
Clean Truck Check in Anaheim, CA
28 credentialed testers in Anaheim.
Testers in Anaheim
torque lab performance
hamzah owidah
MobileOBDOVIOVI tests are required for 2012 and older enginesMotor Home
Hoang truong
MobileOBDOVIOVI tests are required for 2012 and older enginesMotor Home
Israel Jibrin
MobileOBDOVIOVI tests are required for 2012 and older enginesMotor Home
Mobile Testing
Israel Jibrin
MobileOBDOVIOVI tests are required for 2012 and older enginesMotor Home
Vonic Fleet Services
Jake Vonic
MobileOBDOVIOVI tests are required for 2012 and older enginesMotor Home
HB ELDT Training
Lonnie Reynolds
MobileOBDOVIOVI tests are required for 2012 and older enginesMotor Home
Mark Maddox
MobileOBDOVIOVI tests are required for 2012 and older engines
Fleet Services Inc
MATT VAN ECK
OBDOVIOVI tests are required for 2012 and older enginesMotor Home
Steel City Scaffold
Michael Parham
MobileOBDMotor Home
Trucking activity in Orange 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
898
Trucking employees
7,103
Source: FMCSA MCMIS carrier census, US Census County Business Patterns 2021.
Air quality context in and around Anaheim
Annual aggregate readings from EPA Air Quality System monitors within about 25 miles of Anaheim, 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
12.22 Micrograms/cubic meter (LC)
10 monitors · 99,169 observations · 877 days above standard
Nitrogen dioxide (NO₂)
20.06 Parts per billion
15 monitors · 272,952 observations · 0 days above standard
Ozone (O₃)
0.05 Parts per million
11 monitors · 346,576 observations · 474 days above standard
Source: EPA Air Quality System (AQS) API. Reporting year 2025. Last fetched 2026-05-18.