zips_mons

About: holds information about all zip codes within the geographic region of the participating hospital, the nearest EPA air quality monitoring station to that zip code centroid, and the distance from the monitor to the centroid.本数据集概况：收录参与医院所辖地理范围内全部邮政编码的关联信息，具体包括各邮政编码对应质心的最近美国环境保护署（Environmental Protection Agency, EPA）空气质量监测站，以及该监测站至对应质心的距离。