Data used in "Chemically specific sampling bias: the ratio of PM2.5 to surface AOD on average and peak days in the U.S."

This dataset contains all relevant data and R code used in the manuscript "Chemically specific sampling bias: the ratio of PM2.5 to surface AOD on average and peak days in the U.S." submitted to Environmental Science: Atmospheres.本数据集包含投稿至《环境科学：大气》（Environmental Science: Atmospheres）的稿件《化学特异性采样偏差：美国平均日与峰值日PM2.5与近地面气溶胶光学厚度（Aerosol Optical Depth, AOD）之比》中所使用的全部相关数据与R语言代码。