Clean Truck Check Credentialed Tester

Clean Truck Check in Oxnard, CA

24 credentialed testers in Oxnard.

Testers in Oxnard

View Mobile Opacity Testing details

Mobile Opacity Testing

john dotsy

512 Niveo Lane 512 Niveo Lane

Oxnard, California

(805) 612-5243

MobileOBDOVIOVI tests are required for 2012 and older enginesMotor Home
View J.J.'s Smog details

J.J.'s Smog

Lamngeun Somchid

1281 S Oxnard Blvd

Oxnard, California

(805) 216-5284

MobileOBDOVIOVI tests are required for 2012 and older enginesMotor Home

Trucking activity in Ventura 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
242
Trucking employees
2,028

Source: FMCSA MCMIS carrier census, US Census County Business Patterns 2021.

Air quality context in and around Oxnard

Annual aggregate readings from EPA Air Quality System monitors within about 25 miles of Oxnard, 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
5.82 Micrograms/cubic meter (LC)
5 monitors · 56,927 observations · 28 days above standard
Nitrogen dioxide (NO₂)
3.55 Parts per billion
2 monitors · 29,674 observations · 0 days above standard
Ozone (O₃)
0.04 Parts per million
5 monitors · 156,532 observations · 1 day above standard

Source: EPA Air Quality System (AQS) API. Reporting year 2025. Last fetched 2026-05-18.