Table 1.

Publicly available data sources used in this study.

Data	Source
Covid-19 cases & deaths	Coronavirus in NY: Cases, maps, charts, and resources (https://www.syracuse.com/coronavirus-ny/)
Population estimates & demographics 2018	US Census Bureau's American Community Survey (ACS (https://www.census.gov/programs-surveys/acs)
Temperature & air quality index	EPA (http://www.epa.gov/ttn/airs/aqsdatamart)
Nursing homes locations	The Department of Health and Human Services (HHS) (https://www.arcgis.com/home/item.html?id=b3813b2d3a054c378247bf32bcd8d203)
Satellite PM2.5 estimates	Air pollution and COVID-19 mortality in the United States, Harvard University (http://github.com/wxwx1993/PM_COVID)