Our Research Featured as Supplementary Cover Art in Environmental Science & Technology !

Brominated Persistent Organic Pollutants in Cloud/Fog Water: First Field Observations of Scavenging Behavior

• First field evidence of brominated POPs (PBDEs and PBDD/Fs) in cloud/fog water, demonstrating that fog acts as an effective atmospheric sink for these contaminants.

• BDE-209 dominated the congener profile and was mainly particle-associated, while lower-brominated PBDEs were more prevalent in the aqueous phase.

• Concentrations in 2018 were 1–2 orders of magnitude higher than in 2019, likely due to stronger Northeast monsoon conditions, higher liquid water content, and enhanced long-range transport from East Asia.

• Fog scavenging plays an important role in the atmospheric removal and deposition of Br-POPs, highlighting cloud/fog water as a key but understudied pathway in regional contaminant cycling.

Link to read our manuscript:
Brominated Persistent Organic Pollutants in Cloud/Fog Water: First Field Observations of Scavenging Behavior

Latonia Nur Adyanis, Yu-Mei Hsu, Neng-Huei Lin, Otto Klemm, Cindy Soo Yun Tan, Guo-Ping Chang-Chien, Lin-Chi Wang*

Environmental Science and Technology 2026

PCDD/Fs and PCBs scavenged through cloud water during northeast monsoon

• First field evidence of PCDD/Fs and PCBs found in high concentration in cloud/fog water

• Cloud water PCDD/Fs concentration was 10 times higher than surface water

• PCDD/Fs content in particulate was 4 times higher than the bottom ash

• The scavenging ratio of PCDD/Fs by cloud/fog water (104–107) exceeded that by precipitation (103–105)

Link to read our manuscript:

PCDD/Fs and PCBs scavenged through cloud water during northeast monsoon

     LC Wang, LN Adyanis, O Klemm, NH Lin

     Journal of Hazardous Materials 2025, 489, 137707