Recommended · Featured Partner
5— on Google ReviewsSmart CTC
Test your truck ANYWHERE in the USA, Canada or Mexico without scheduling shop visits or mobile testers.
RemoteOBDMotor Home
Clean Truck Check in Santa Maria, CA
23 credentialed testers in Santa Maria.
Testers in Santa Maria
Recommended · Featured Partner
5— on Google ReviewsClean Truck Check Pro
Mobile CARB-credentialed Clean Truck Check testing serving Southern California.
MobileOBDMotor Home
PC Mechanical Inc
Brandon Burginger
MobileOBDMotor Home
Coast Diesel Service
Carlos Herrera
MobileOBDNon-OBDMotor Home
Mobile Diesel Emissions
DENNY DUCKETT
MobileOBDNon-OBDMotor Home
RANCHO SUEY MECHANICAL SERVICES INC
EDGAR CARRASCO
MobileOBDNon-OBDMotor Home
Esteban Luna Solis
MobileOBD
Glenn Fujioka
OBDNon-OBD
RANCHO SUEY MECHANICAL SERVICES, INC.
HECTOR RAMIREZ II
MobileOBDNon-OBDMotor Home
RANCHO SUEY MECHANICAL SERVICES INC
HECTOR RAMIREZ III
MobileOBDNon-OBDMotor Home
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.