On January 23, 2025, Mr. Aekvarunyoo Amrapala, spokesperson for the Bangkok Metropolitan Administration (BMA), announced the enforcement of the Low Emission Zone (LEZ) within the Ratchadaphisek Ring Road area. The regulation bans vehicles with six wheels or more, except for EVs, NGVs, EURO 5 and EURO 6 vehicles, as well as those registered on the ‘Green List.’The measure will remain in effect until Bangkok’s PM 2.5 air pollution levels improve.

The BMA encourages operators to maintain their vehicles by performing essential services, such as oil and filter changes, and to submit the required documentation, such as receipts, through the ‘Green List Form’ available on google forms: https://bit.ly/47RK0Yy. Approved vehicles will be exempt from LEZ restrictions.

The enforcement process will utilize CCTV cameras and AI technology to detect and match vehicle license plates with the Green List database. Violators will face penalties of up to one month in jail, a fine of up to 2,000 THB, or both. Moreover, if the violating vehicle is linked to a specific construction site, warnings will be issued to the site, and future violations may result in a suspension of operations.

The LEZ covers areas inside the Ratchadaphisek Ring Road, including nine districts:

• Dusit District

• Phaya Thai District

• Phra Nakhon District

• Pom Prap Sattru Phai District

• Samphanthawong District

• Khlong San District

• Sathorn District

• Pathumwan District

• Bang Rak District

Additionally, it applies to roads passing through 13 districts, encompassing 31 sub-districts:

• Bang Sue District: Wong Sawang Sub-district

• Chatuchak District: Chatuchak, Lat Yao, Chankasem, and Chomphon Sub-districts

• Huai Khwang District: Huai Khwang, Sam Sen Nok, and Bang Kapi Sub-districts

• Din Daeng District: Din Daeng and Ratchadaphisek Sub-districts

• Ratchathewi District: Makkasan Sub-district

• Watthana District: Khlong Toei Nuea Sub-district

• Khlong Toei District: Khlong Toei Sub-district

• Yannawa District: Chong Nonsi and Bang Phongphang Sub-districts

• Bang Kho Laem District: Bang Kho Laem and Bang Khlo Sub-districts

• Thonburi District: Dao Khanong, Samrae, Bukkhalo, and Talat Phlu Sub-districts

• Bangkok Yai District: Wat Tha Phra Sub-district

• Bangkok Noi District: Bang Khun Non, Arun Amarin, Bang Khun Si, Ban Chang Lo, and Siriraj Sub-districts

• Bang Phlat District: Bang Phlat, Bang Bamru, Bang O, and Bang Yi Khan Sub-districts

For further inquiries or clarification, please contact the Air and Noise Quality Management Division, Department of Environment, at 0 2203 2951.

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