A dataset containing pollutant concentrations between 2017-2020 at the station/pollutant combinations in pollutant_info.
pollutant_data
A data frame with 176,039 rows and columns:
The date at which the concentration was measured.
The name of the monitoring station.
The name of the pollutant being measured: O3 (ppb), PM25 (micrograms / m^3), NO2 (ppb), SO2 (ppb), CO (ppm).
The average daily concentration from hourly measurements.