กรมควบคุมมลพิษ, กระทรวงวิทยาศาสตร์เทคโนโลยีและสิ่งแวดล้อม = Pollution Control Department, Ministry of Science Technology and Environment [electronic resource]
Includes information on daily air quality in Thailand, both in Bangkok and regional area, with questions and answers concerning environmental situation in Thailand. The databases of the site are also searchable