# Pollution Control Department

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**Pollution Control Department** (**PDC**, Thai: กรมควบคุมมลพิษ) is a Thai dependent department of the [Ministry of Natural Resources and Environment](/source/Ministry_of_Natural_Resources_and_Environment_(Thailand)).[1]

The department is tasked with reducing environmental pollution in Thailand, along with collecting data on pollution levels and sources.[2]

## Organization

The most senior official in the Department is the Director-General. The position is currently held by Preeyaporn Suwannakes (Thai: ปรีญาพร สุวรรณเกษ, ).[3]

## History

In 2024, the PDC released a pollution control plan for 2025 that aimed to address haze pollution, including targeting forest, agricultural and urban sources.[4]

The PCD operates vehicle checkpoints targeting "black smoke" emissions.[5][6] In 2021, approximately half of all vehicles stopped by PCD checkpoints exceeded legal exhaust limits.[7] These checkpoints were increased during the [2025 Bangkok smog](/source/2025_Bangkok_smog).

On 1 February 2025, PCD Director-General Preeyaporn Suwannakes announced new measures targeting vehicles emitting black smoke in conjunction with the Traffic Police Division.[3] These measures include mandating vehicle owners fix non-compliant vehicles within 15 days, a decrease from the previous requirement of 30 days.[3] Under the authority of Thailand's Traffic Act and the Environmental Protection Act of 1992, police can now order vehicle owners to rectify excess emissions within the 15-day period.[3]

## References

1. Wipatayotin, Apinya (2025-02-02). ["Tackling roots of PM2.5 air pollution in Thailand"](https://www.bangkokpost.com/thailand/special-reports/2952621/tackling-roots-of-pm2-5-air-pollution-in-thailand). *Bangkok Post*. Retrieved 2025-02-03.

1. ["Governor Chadchart cites PM2.5 causes: car smoke, burning, and weather lid"](https://www.nationthailand.com/blogs/thailand/bangkok/40045004). *nationthailand*. 2025-01-09. Retrieved 2025-02-03.

1. Mail, Pattaya (2025-01-31). ["Bangkok tightens black smoke vehicle regulations; 15-day fix period now enforced"](https://www.pattayamail.com/thailandnews/bangkok-tightens-black-smoke-vehicle-regulations-15-day-fix-period-now-enforced-489036). *Pattaya Mail*. Retrieved 2025-02-03.

1. Wipatayotin, Apinya (2024-10-22). ["PCD outlines new plan to fight haze"](https://www.bangkokpost.com/thailand/general/2887922/pcd-outlines-new-plan-to-fight-haze). *Bangkok Post*. Retrieved 2025-02-03.

1. ["Dept goes after black-smoke belchers to curb PM2.5 pollution"](https://www.bangkokpost.com/thailand/general/2493664/dept-goes-after-black-smoke-belchers-to-curb-pm2-5-pollution). *Bangkok Post*. 2023-01-29. Retrieved 2025-02-03.

1. ["Police nearly double checkpoints for exhaust-spewing vehicles"](https://www.nationthailand.com/in-focus/30362371). *nationthailand*. 2019-01-16. Retrieved 2025-02-03.

1. Reporters, Online (2022-01-17). ["About half of inspected vehicles are polluters"](https://www.bangkokpost.com/thailand/general/2248835/about-half-of-inspected-vehicles-are-polluters). *Bangkok Post*. Retrieved 2025-02-03.

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Adapted from the Wikipedia article [Pollution Control Department](https://en.wikipedia.org/wiki/Pollution_Control_Department) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Pollution_Control_Department?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.