Clean Truck Check Credentialed Tester

Clean Truck Check in Anaheim, CA

27 credentialed testers in Anaheim.

Testers in Anaheim

Nearby truck stops

OpenStreetMap-tagged truck stops, services areas, and HGV-marked fuel stations within 25 miles of Anaheim. Useful for routing a service stop around your CTC test.

+9 unnamed stops also in range.

Source: © OpenStreetMap contributors. Last updated 2026-05-18.

Air quality context in and around Anaheim

Annual aggregate readings from EPA Air Quality System monitors within about 25 miles of Anaheim, 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
12.22 Micrograms/cubic meter (LC)
10 monitors · 99,169 observations · 877 days above standard
Nitrogen dioxide (NO₂)
20.06 Parts per billion
15 monitors · 272,952 observations · 0 days above standard
Ozone (O₃)
0.05 Parts per million
11 monitors · 346,576 observations · 474 days above standard

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