%0 Dataset %T Replication Data for: Measurement report: Long-term variations in surface NOX and SO2 mixing ratios from 2006 to 2016 at a background site in the Yangtze River Delta region, China %J National Cryosphere Desert Data Center %I National Cryosphere Desert Data Center(www.ncdc.ac.cn) %U http://www.ncdc.ac.cn/portal/metadata/fcc0fef7-b52f-4143-b1c4-6428a6d5d8fd %W NCDC %R 10.7910/DVN/DQTBT0 %A LIn Weili %K Yangtze River Delta;Lin'an Station;nitrogen oxides;sulfur dioxide %X In this study, we introduced Lin'an Station (LAN; latitude 30 ° 18 ′ N, longitude 119 ° 44 ′ E), one of China's Global Atmospheric Observatory (GAW) stations; Measurement results of nitrogen oxides and sulfur dioxide at an altitude of 138.6 meters. We described the seasonal and diurnal variations of nitrogen oxide and sulfur dioxide mixture ratios observed in a local area network from 2006 to 2016, and studied their long-term trends. We also explained the observed changes and trends from the perspective of changes in meteorological conditions and emissions of these gases. This dataset shows the seasonal and daily variation characteristics of the mixing ratio of NOxand SO2observed at Lin'an Station from 2006 to 2016.