This project began from March 7, 2003, and finished at the end of December of 2003. During this period, the project had finished: (1) Basic data collection, (2) Long-term air quality trend analysis of Taiwan area, (3) Editing the annual report of air quality maintaining strategy of year 2002, (4) Air quality time and space trend analysis, (5) Major air quality episode analysis, (6) Editing emission inventory of Taiwan area from 1994 to 2002, (7) Editing related the reports of research projects of the Department of air quality and noise control of 2002.

Air Quality, Long-term Trend