Temperature and particulate matter as environmental factors associated with seasonality of influenza incidence – an approach using Earth observation-based modeling in a health insurance cohort study from Baden-Württemberg (Germany)

Table 1 Summary of information on sources used to gather the environmental data used for this study

Variable	Source Dataset	Horizontal Resolution	Temporal Resolution	Unit	URL
PM_2.5, PM₁₀, O₃, NO₂	CAMS European air quality reanalyses	1 h	0.1°X0.1°	µg /m³	https://ads.atmosphere.copernicus.eu/cdsapp#!/dataset/cams-europe-air-quality-reanalyses
Downward UV radiation at the surface	ERA5 hourly data on single levels from 1979 to present	1 h	0.25° × 0.25°	J/m²	https://cds.climate.copernicus.eu/cdsapp#!/dataset/reanalysis-era5-single-levels
2 m temperature	ERA5-Land hourly data from 1950 to present	1 h	0.1°X0.1°	K	https://cds.climate.copernicus.eu/cdsapp#!/dataset/reanalysis-era5-land
2 m dewpoint temperature	ERA5-Land hourly data from 1950 to present	1 h	0.1°X0.1°	K	https://cds.climate.copernicus.eu/cdsapp#!/dataset/reanalysis-era5-land

ISSN: 1476-069X