aire: Grab data on air pollution in Andalusia (Spain)

#' Air quality data for Sevilla province, year 2015.
#'
#' Air quality data for all stations in Sevilla province for year 2015.
#'
#' @docType data
#' @name se2015
#' @format A dataframe with 606911 rows and 11 variables:
#' \describe{
#'   \item{Provincia}{Province}
#'   \item{Municipio}{Council where station is located}
#'   \item{site}{Station name}
#'   \item{Direccion}{Address}
#'   \item{date}{Date and time of the measurement, in format "yyyy-mm-dd hh:mm:ss"}
#'   \item{SO2}{SO2 concentration (in micrograms per cubic meter)}
#'   \item{PART}{Particles concentration (in micrograms per cubic meter)}
#'   \item{NO2}{NO2 concentration (in micrograms per cubic meter)}
#'   \item{CO}{CO concentration (in micrograms per cubic meter)}
#'   \item{O3}{O3 concentration (in micrograms per cubic meter)}
#'   \item{SH2}{SH2 concentration (in micrograms per cubic meter)}
#' }
#' @source Consejeria de Medio Ambiente, Junta de Andalucia (\url{http://bit.ly/airedata})

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