Bangkok is leading the nation in terms of pollution-related complaints, followed by the industrial provinces of Samut Prakan and Samut Sakhon, according to the Pollution Control Department (PCD).
PCD director-general, Pinsak Suraswadi, said the department received 718 complaints this year, down from 766 last year.
Bangkok topped the list of complaints with 189 reports, followed by Samut Prakan with 54, and Samut Sakhon with 44, Mr Pinsak said.
