标签：2015
2015
Collecting and Cleansing AQI Data 2015-08-21
Collect and cleanse hourly AQI of five cities of China （where U.S. embassy locations: Beijing, Shanghai, Guangzhou, Shenyang, Chengdu) from 2008 to 2014.
2015
Collect and cleanse hourly AQI of five cities of China （where U.S. embassy locations: Beijing, Shanghai, Guangzhou, Shenyang, Chengdu) from 2008 to 2014.