| convert_to_imeca | Convert pollution values to IMECA |
| convert_to_index | Convert a pollutant concentration to its air quality category |
| download_24hr_average | Download archives of the 24 hour averages of pollutants |
| download_deposition | Download Acid Rain Measurements Archives |
| download_lead | Download Lead Pollution Archives |
| download_meteorological | Download Meteorological Data Archives |
| download_pollution | Download Pollution Archives |
| download_pressure | Download Atmospheric Pressure Archives |
| download_radiation | Download Ultraviolet Radiation Archives |
| get_latest_imeca | Get the latest pollution values for each station |
| get_station_data | Download pollution data by station |
| get_station_imeca | Download pollution data by station in IMECAs |
| get_station_month_data | Download monthly pollution data |
| get_zone_imeca | Download pollution data by zone in IMECAs |
| idw360 | Inverse Distance Weighting with Directional Data |
| stations | Pollution measuring stations in Mexico City |
| zones | Pollution zones in Mexico City |