Table 1.
Characteristics of different databases used in the study
| Theme | Parameters (independent) | Unit | Data sources | Temporal/data year |
|---|---|---|---|---|
| Air pollutants | PM2.5 | μg/m3 | 2010–2020 (April) | |
| NO2 | nm2 | https://aura.gsfc.nasa.gov/ | 2010–2020 (April) | |
| AOT | https://neo.sci.gsfc.nasa.gov/ | 2010–2020 (April) | ||
| SO2 | Ppm | https://search.earthdata.nasa.gov/search | 2019–2020 (April) | |
| CO | Ppm | https://search.earthdata.nasa.gov/search | 2010–2020 (April) | |
| Water vapor | Cm | https://www.worldclim.org/data/worldclim21.html | 2010–2020 (April) | |
| O3 | Ppm | https://search.earthdata.nasa.gov/search | 2010–2020 (April) | |
| Geo-meteorological | DEM | Meter | https://search.earthdata.nasa.gov/search | 2019 |
| Wind pressure | m s−1 | https://www.worldclim.org/data/worldclim21.html | 2010–2020 (April) | |
| LST | °C | https://search.earthdata.nasa.gov/search | 2010–2020 (April) | |
| Rainfall | Mm | https://gpm.nasa.gov/trmm | 2010–2020 (April) | |
| Wind speed | Mph | https://www.worldclim.org/data/worldclim21.html | 2017 | |
| Social | Population density | Per dot | Bangladesh Bureau of Statistics | 2011 |
| Brickfield | Meter | Direct digitization | 2019 | |
| Poverty | % | https://data.humdata.org/ | 2017 | |
| Land use | Class | Landsat 8 | 2019 | |
| Literacy | % | Bangladesh Bureau of Statistics | 2011 | |
| Dependent variable | COVID-19 infection/mortality |
Upazila Wise |
Bangladesh Ministry of Health |
2020 (May) |