Google Trends data on pollen searches 2012-2017

Google Trends data on searches for "pollen" for DMA regions near National Allergy Bureau pollen counting stations from 2012-2017, downloaded in 10x replicates, from Jan-Jun and Apr-Dec of each year. Search data for the term "ragweed" is included as a comparator in pollen searches (no file suffix), and can also be found as a separate search term (in files with the suffix "ragweed.csv")

本数据集涵盖2012年至2017年期间，美国国家过敏局（National Allergy Bureau）花粉计数站点周边指定市场区域（Designated Market Area, DMA）内，"花粉"一词的谷歌趋势（Google Trends）搜索量数据。该数据以10份重复采样副本的形式提供，覆盖每年1月至6月、以及每年4月至12月两个时间窗口。其中，"豚草"（ragweed）的搜索量数据可作为花粉搜索量的对照数据集（对应文件无后缀名）；同时该术语也可作为独立搜索项，其对应文件的后缀为"ragweed.csv"。