---
title: "Ozone Smog — Clean Truck Check, Palm Desert, CA | CTC Finder"
description: "Ozone Smog in Palm Desert, CA is on CARB's Clean Truck Check tester list. Offers mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome…"
url: "https://ctcfinder.com/tester/ozone-smog-palm-desert/"
updated: "2026-11-01"
publisher: "CTC Finder (independent directory, not affiliated with CARB)"
---

# Ozone Smog

Clean Truck Check tester in Palm Desert, CA (Riverside County).

> CTC Finder is an independent directory, not affiliated with CARB. Tester data: CARB Clean Truck Check public tester list, last checked November 1, 2026. Confirm services, hours and prices with the tester.

| Field | Value |
|---|---|
| Location | 74817 Joni Dr Ste F, Palm Desert, CA 92260 |
| County | Riverside County |
| Phone | (760) 341-4601 |
| Mobile testing | Yes |
| OBD testing | Yes |
| Smoke opacity (non-OBD) | Yes |
| Motorhomes | Yes |
| Credentialed testers | 1 |
| Last verified | 2026-11-01 |

## Which trucks Ozone Smog can test

| Your vehicle | Test required | This tester |
|---|---|---|
| Diesel, model year 2013 or newer | OBD scan | Yes |
| Alternative fuel (natural gas, propane), 2018 or newer | OBD scan | Yes |
| Diesel, model year 2012 or older (no OBD) | Smoke opacity test (SAE J1667) plus visual inspection | Yes |
| California-registered motorhome | Same test as above by engine year, once a year | Yes |

## Clean Truck Check testers in Riverside County

Ozone Smog is one of 251 testing businesses in Riverside County on CARB's public tester list. 233 of them offer mobile testing and 102 do smoke opacity tests. In Palm Desert itself there are 5 listed businesses, 5 of them mobile.

## When your truck is due

Most trucks test twice a year, on a schedule tied to the DMV registration expiration date. CARB says OBD trucks move to four tests a year beginning October 2027. California-registered (non-commercial) motorhomes and agricultural vehicles test once a year. See the [deadline guide](https://ctcfinder.com/guide/deadlines-2026-2027/). You can test up to 90 days before a deadline. Free email reminders: https://ctcfinder.com/reminders/

## Frequently asked questions

### Does Ozone Smog offer mobile Clean Truck Check testing?

Yes. Ozone Smog says on CARB's tester list that it offers mobile testing, so it can come to your yard or job site. Ask about a trip fee when you call.

### Can Ozone Smog test a 2012 or older diesel truck?

Yes. Ozone Smog lists smoke opacity testing, the test CARB requires for diesel trucks of model year 2012 and older (no OBD). See [OBD vs smoke opacity](https://ctcfinder.com/guide/obd-vs-smoke-opacity-test/).

### How much does Ozone Smog charge for a Clean Truck Check?

Ozone Smog has not published prices with us; call (760) 341-4601 for a quote. Published California prices are usually $50–$135 per vehicle for an OBD test and $190–$200 for a smoke opacity test, plus CARB's annual fee ($32.13 in 2026). See the [cost guide](https://ctcfinder.com/guide/cost/).

### Is Ozone Smog a CARB-credentialed tester?

Ozone Smog appears on CARB's public Clean Truck Check tester list, last checked November 1, 2026. Only credentialed testers can submit results to CARB; after the test, confirm the passing result shows for your vehicle in CTC-VIS.

## Other testers nearby

- **[Desert Smog](https://ctcfinder.com/tester/desert-smog-palm-desert/)** — 74725 Joni Dr Suite B, Palm Desert, CA 92260 — (760) 282-4056 — 1 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[Palm Desert Automotive](https://ctcfinder.com/tester/palm-desert-automotive-palm-desert/)** — 74817 Joni Dr Suite E, Palm Desert, CA 92260 — (760) 341-4685 — 1 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Smogdoghd](https://ctcfinder.com/tester/smogdoghd-indian-wells/)** — 75440 Painted Desert Dr, Indian Wells, CA 92210 — (760) 574-0420 — 4 mi. Services: mobile testing, OBD testing, motorhome testing.
- **[PS Smog](https://ctcfinder.com/tester/ps-smog-palm-springs/)** — 4633 E Ramon Rd, Palm Springs, CA 92264 — (760) 778-7664 — 5 mi. Services: OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Rodney Betsargon](https://ctcfinder.com/tester/rodney-betsargon-palm-desert/)** — Palm Desert, CA 92211 — (415) 260-6186 — 6 mi. Services: mobile testing, OBD testing, smoke opacity (non-OBD) testing, motorhome testing.
- **[Smog Dogs LLC](https://ctcfinder.com/tester/smog-dogs-llc-palm-desert/)** — 75450 Gerald Ford Dr Suite 310, Palm Desert, CA 92211 — (760) 485-0611 — 6 mi. Services: mobile testing, OBD testing, motorhome testing.