Nuestro dataset contiene los registros de varias estaciones de monitoreo las cuales recolectan informacion acerca del aire, las variables en el data set se presentan a continuacion: No: row number year: year of data in this row month: month of data in this row day: day of data in this row hour: hour of data in this row PM2.5: PM2.5 concentration (ug/m^3) PM10: PM10 concentration (ug/m^3) SO2: SO2 concentration (ug/m^3) NO2: NO2 concentration (ug/m^3) CO: CO concentration (ug/m^3) O3: O3 concentration (ug/m^3) TEMP: temperature (degree Celsius) PRES: pressure (hPa) DEWP: dew point temperature (degree Celsius) RAIN: precipitation (mm) wd: wind direction WSPM: wind speed (m/s) station: name of the air-quality monitoring site