Mr. Chadchart Sittipunt, Governor of Bangkok, has reinforced the city’s commitment to resolving long-standing odor issues at the On Nut Refuse Disposal Centre by enforcing a strict “Closed System” policy. Under this directive, all waste management operations, ranging from organic composting to energy production, have been upgraded with airtight infrastructure. This includes the installation of high-speed shutter doors, air curtains, and powerful chemical odor treatment systems with a combined suction capacity exceeding 200,000 cubic meters per hour. These measures are specifically designed to trap and neutralize foul air before it can escape into the surrounding areas.

A standout feature of this anti-odor strategy is the implementation of “E-NOSE” technology. These electronic sensors have been placed both inside the facility and within sensitive community areas, such as Imperial Park Village, to provide 24/7 real-time monitoring. This data-driven approach allows the BMA to identify and mitigate odor spikes immediately, moving away from subjective measurements to scientific accuracy. According to the latest data from the Traffy Fondue system, these rigorous controls have led to a remarkable 51% decrease in odor-related complaints during the 2026 fiscal year, proving that the technical interventions are yielding tangible results for residents.

Governor Chadchart noted that while the overall odor trend is improving, the BMA is not complacent. The administration is now integrating “Green Buffers” by planting 50,000 trees to serve as natural windbreaks and air filters. By transforming former landfill areas into an ecological forest, the BMA aims to create a permanent shield against seasonal odors carried by monsoon winds. This dual approach, combining industrial-grade air scrubbers with massive green spaces, represents a long-term solution to ensure the On Nut facility can coexist harmoniously with the local community.

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