The other area was located at Bansomdejchaopraya
Rajabhat University, Thonburi district, Bangkok. It
was a quiet and peaceful residential area with one
university and lot of students walking through. The
number of vehicles at Bansomdejchaopraya Rajabhat
University, Thonburi district is less than 1,000
vehicles per day (from observation). There were
several small communities with narrow streets for
people and cars in the area. The air quality monitoring
station at Bansomdejchaopraya Rajabhat University
was considered the monitoring site of a residential
area.