Non-road Mobile Source Emission Inventory of Chengdu from 2011 to 2015
Based on the collected data of non-road machinery activity level in Chengdu, using appropriate estimation method and emission factors, the regional non-road mobile source emission inventory in Chengdu during 2011 ~ 2015 was estimated.Results showed that the pollutants emission generally increased year by year from 2011 to 2015 except SO2. The total emissions of CO, HC, NOX, VOCs, PM2. 5, SO2 from non-road mobile sources in Chengdu were about 2. 08 × 103 t, 6. 28 × 102 t, 5. 10 × 103 t, 2. 17 × 103 t, 2. 10 × 102 and 2. 95 × 102 t, respectively. The commercial airplanes source is the largest non-road mobile source contributes to CO, HC, VOCs, PM2. 5 and SO2. The agricultural equipment source was the second largest NOX contributor and PM2. 5 contributor in Chengdu.