Clean Truck Check Credentialed Tester

Clean Truck Check in Los Angeles, CA

69 credentialed testers in Los Angeles.

Testers in Los Angeles

View Eddie’s Auto details

Eddie’s Auto

Eddie Sosa-Rodriguez

3758 S Harvard Blvd

Los Angeles, California

(323) 338-5642

MobileOBDOVIOVI tests are required for 2012 and older enginesMotor 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 Los Angeles

Annual aggregate readings from EPA Air Quality System monitors within about 25 miles of Los Angeles, 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
11.16 Micrograms/cubic meter (LC)
9 monitors · 93,313 observations · 563 days above standard
Nitrogen dioxide (NO₂)
16.43 Parts per billion
15 monitors · 272,544 observations · 0 days above standard
Ozone (O₃)
0.05 Parts per million
13 monitors · 410,017 observations · 382 days above standard

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