The Prime Minister’s Decision No. 43/2025/QD-TTg, which outlines the implementation roadmap for national technical standards on emissions for automobiles operating in road traffic, is set to take effect on March 1, 2026.
The Decision defines five distinct emission levels (Levels 1 through 5). Under these regulations, all automobiles must meet the minimum emission level corresponding to their year of manufacture at the time of inspection.
From March 1, 2026, automobiles manufactured before 1999 must comply with Level 1; automobiles manufactured from 1999 to the end of 2016 must comply with Level 2; and automobiles manufactured from 2017 to the end of 2021 must comply with Level 3.
For automobiles manufactured from 2017 to the end of 2021 operating in Hanoi and Ho Chi Minh City, Level 4 applies from January 1, 2027.
Automobiles manufactured from 2022 must comply with Level 4 from the effective date of this Decision, and Level 5 from January 1, 2032.
For automobiles manufactured from 2022 operating in Hanoi and HCM City, Level 5 applies earlier, from January 1, 2028.
From January 1, 2029, automobiles participating in traffic in Hanoi and HCM City must meet emission standards of at least Level 2.
To avoid vehicles failing inspection, which would cause unnecessary time and costs, vehicle owners and drivers are advised to proactively maintain and repair their vehicles before inspection to ensure emission test results meet the required standards.
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