Thailand | 
Bangkok, January 6, 2025
BIG, a climate technology company, has joined the fight against fine particulate matter (PM2.5) pollution affecting Bangkok residents by donating dry ice to the Bangkok Metropolitan Administration (BMA). Bangkok Governor, Rachen Sillaparaya, Deputy Director-General (Operational section), Department of Royal Rainmaking and Agricultural Aviation, and Thaleingsak Phathong, Vice President (Provincial Air Navigation Services), AEROTHAI received the donation at Bangkok City Hall (Sao Ching Cha).
This dry ice supporting will be utilized in expedited operations to disperse PM2.5 particles accumulated over Bangkok. This innovative approach, pioneered by the Royal Rainmaking and Agricultural Aviation Department, involves injecting dry ice into atmospheric inversion layers to reduce temperature, allowing PM2.5 particles to rise more rapidly to higher atmospheric levels. This effectively lowers the concentration of particulate matter near the ground. The fine-grained dry ice provided by BIG is produced from the company’s carbon dioxide gas, making it ideal for transportation and application in these operations.
Piyabut Charuphen, Managing Director of BIG, stated, “Recognizing the significant impact of PM2.5 on public health, BIG is committed to collaborating with government agencies to address this issue. This dry ice donation is part of our commitment to creating a sustainable future, aligned with our business goal of ‘Generating a Cleaner Future’.”
Rachen Sillaparaya, Deputy Director-General (Operational section), Department of Royal Rainmaking and Agricultural Aviation, revealed that BIG has been a consistent supporter of the department since 2018, providing dry ice for various missions, including drought relief and PM2.5 reduction. This ongoing collaboration has played a crucial role in enhancing the quality of life for the people of Thailand.
Thaleingsak Phathong, Vice President (Provincial Air Navigation Services), AEROTHAI announced that AEROTHAI has granted permission for the Royal Rainmaking Department to conduct flight operations targeting PM2.5 pollution in the heart of Bangkok. For the first time, areas like Sathorn, Silom, and Yaowarat will be included in the operation, which was previously restricted to the Rama 2 area.”
Bangkok Governor Chadchart Sittipunt expressed his gratitude to BIG for supporting the city’s efforts to combat PM2.5 pollution. He emphasized that this donation would help alleviate the problem and improve the health of Bangkok residents.
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