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#全国122个城市历史空气质量数据及代码 ###背景 阿里巴巴与IJCAI联合举办的口碑商家流量预测需要使用天气信息,所以爬取了相关城市的历史空气质量(AQI)数据。

###数据来源 数据来源于这里:https://www.aqistudy.cn/historydata/index.php

###数据格式 一个城市的数据是一个csv文件,文件中有2列,第1列为日期,如“2015-10-10”,第2列为空气质量数据。 由于空气质量数据范围包括很多,我们只爬取了aqi综合数据,其他数据可以用提供的代码扩展。

###数据范围 日期范围:2015-07-01至2016-11-31,每天的数据。

###城市列表 城市列表见city.txt文件。

所有数据请见aqi文件夹,每个城市一个文件。

alldata.csv将所有城市数据保存到了一个。

###源码支持 源码用Python写的,见crawl_aqi.py文件,比较好扩展。

###缺失数据 目前缺失了天门思茅两地的数据。在另一个网站上找到了它们2016年6月以后的天气数据,其他月份用了湖北省和云南省几个城市数据平均做为它们的数据。

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