- Date
Date and time of measurement (POSIXct format)
- PM2.5
Particulate matter with diameter less than 2.5 micrometers (\mu g/m^3).
- PM10
Particulate matter with diameter less than 10 micrometers (\mu g/m^3).
- SO2
Sulfur dioxide concentration (\mu g/m^3).
- NO2
Nitrogen dioxide concentration (\mu g/m^3).
- CO
Carbon monoxide concentration (\mu g/m^3).
- O3
Ozone concentration (\mu g/m^3).
- TEMP
Temperature (\textdegree C).
- PRES
Atmospheric pressure (hPa).
- DEWP
Dew point temperature (\textdegree C).
- RAIN
Precipitation amount (mm).
- WSPM
Wind speed (m/s).