We monitored the PM2.5 by manual method in ten monitoring stations in central Taiwan. These ten stations are Zhudong, Hsinchu, Miaoli , Sanyi , Zhongming , Fengyuan, Nantou , Changhua , Douliou and Kinmen. Each station has been conducted once every three days during the period of Nov.7, 2012 to Nov.6, 2014. There had been 2360 samples should be accomplished. In the end, 2267 samples were available, and the rate of total completion was 96.1 %. The monitoring results by manual methods compared to automatic stations, which showed the slope of the regression equation is during 0.8744 to 1.0799, and R2 values range from 0.9207 to 0.9768.

fine particulate matters, air quality monitoring, ambient air quality monitoring stations