Air pollution data in Bangkok, Thailand indicate that levels of PM10 are significantly higher than in most cities in North American and Western Europe, where its health effects are well-documented. However, the pollution mix, seasonality and demographics are different from those in developed Western countries. It is important, therefore, to determine whether the large metropolitan area of Bangkok is subject to
similar effects of PM10.
To investigate the mortality risk from air pollution in Bangkok, Thailand
The study period extended from 1999 to 2003, for which the Ministry of Public Health provided the mortality data. Measures of air pollution were derived from air monitoring stations, while information on temperature and relative humidity was obtained from the weather station in central Bangkok. The statistical analysis followed the common protocol for the multi-city PAPA project in using a natural cubic spline model with smooths of time and weath