대기질 예보
대기질 데이터 제공: the Iowa Department of Natural Resources - Regulatory Air (shl.uiowa.edu) and Air Now - US EPA (airnow.gov)
PM 2.5 (미세먼지)에 대한 측정값은 관측소에서 가져온 것입니다. Hayes School, Davenport, Iowa and the measurements for O3 (ozone), CO (carbon monoxide), NO2 (nitrogen dioxide) and SO2 (sulfur dioxide) are taken from the station: Jefferson School, Davenport, Iowa