Cetti_Services Unlimited, Inc
Paul Cetti
MobileOBDMotor Home
Clean Truck Check in Santa Maria, CA
24 credentialed testers in Santa Maria.
Testers in Santa Maria
PG CTC Testing
Pedro Garcia
MobileOBDMotor Home
Rodolfo Gutierrez
MobileOBDMotor Home
SAMUEL AVILA
MobileOBDOVIOVI tests are required for 2012 and older enginesMotor Home
Trucking activity in Santa Barbara 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
121
Trucking employees
1,022
Source: FMCSA MCMIS carrier census, US Census County Business Patterns 2021.
Air quality context in and around Santa Maria
Annual aggregate readings from EPA Air Quality System monitors within about 25 miles of Santa Maria, 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
5.39 Micrograms/cubic meter (LC)
6 monitors · 68,850 observations · 36 days above standard
Nitrogen dioxide (NO₂)
2.34 Parts per billion
3 monitors · 47,978 observations · 0 days above standard
Ozone (O₃)
0.04 Parts per million
7 monitors · 213,610 observations · 8 days above standard
Source: EPA Air Quality System (AQS) API. Reporting year 2025. Last fetched 2026-05-18.