采样时间为 2017 年 10 月 10 日至 11 月 9 日，1

Sampling time 2017 October 10 to November 9, a sample was collected during the sampling day (daytime 08:00 ~ 08:00 the following day), while the temperature, humidity, wind speed and direction, and other meteorological data are recording. <br>After the end of the sampling filters with aluminum foil wrap, dark transported back to the laboratory and stored in the refrigerator. <br>October 19 is not normally collected, so a total of 30 samples were collected.

采样时间为 2017 年 10 月 10 日至 11 月 9 日，1 个样品被在采样期间每天采集 (白天 08:00 ～ 翌日 08:00)，同时温度、湿度、风速和风向等各种 气象数据被记录．<br>滤膜在采样结束后被用铝箔纸包裹，避光运回实验室并保存在冰箱中．<br>10 月 19 日未进行正常采集，因此共采集了 30 个样品．

The sampling time is from October 10 to November 9, 2017. One sample is collected every day during the sampling period (08:00 in the day to 08:00 in the next day), and various meteorological data such as temperature, humidity, wind speed and wind direction are recorded<br>After sampling, the filter membrane is wrapped with aluminum foil paper, transported back to the laboratory in dark and stored in the refrigerator<br>No normal collection was conducted on October 19, so a total of 30 samples were collected