Variables

fun Variables(    AQI: Measurement = Measurement(),     AQI_no2: Measurement = Measurement(),     AQI_o3: Measurement = Measurement(),     AQI_pm10: Measurement = Measurement(),     AQI_pm25: Measurement = Measurement(),     no2_concentration: Measurement = Measurement(),     no2_local_fraction_heating: Measurement = Measurement(),     no2_local_fraction_industry: Measurement = Measurement(),     no2_local_fraction_shipping: Measurement = Measurement(),     no2_local_fraction_traffic_exhaust: Measurement = Measurement(),     no2_local_fraction_traffic_nonexhaust: Measurement = Measurement(),     no2_nonlocal_fraction: Measurement = Measurement(),     no2_nonlocal_fraction_seasalt: Measurement = Measurement(),     o3_concentration: Measurement = Measurement(),     o3_local_fraction_heating: Measurement = Measurement(),     o3_local_fraction_industry: Measurement = Measurement(),     o3_local_fraction_shipping: Measurement = Measurement(),     o3_local_fraction_traffic_exhaust: Measurement = Measurement(),     o3_local_fraction_traffic_nonexhaust: Measurement = Measurement(),     o3_nonlocal_fraction: Measurement = Measurement(),     o3_nonlocal_fraction_seasalt: Measurement = Measurement(),     pm10_concentration: Measurement = Measurement(),     pm10_local_fraction_heating: Measurement = Measurement(),     pm10_local_fraction_industry: Measurement = Measurement(),     pm10_local_fraction_shipping: Measurement = Measurement(),     pm10_local_fraction_traffic_exhaust: Measurement = Measurement(),     pm10_local_fraction_traffic_nonexhaust: Measurement = Measurement(),     pm10_nonlocal_fraction: Measurement = Measurement(),     pm10_nonlocal_fraction_seasalt: Measurement = Measurement(),     pm25_concentration: Measurement = Measurement(),     pm25_local_fraction_heating: Measurement = Measurement(),     pm25_local_fraction_industry: Measurement = Measurement(),     pm25_local_fraction_shipping: Measurement = Measurement(),     pm25_local_fraction_traffic_exhaust: Measurement = Measurement(),     pm25_local_fraction_traffic_nonexhaust: Measurement = Measurement(),     pm25_nonlocal_fraction: Measurement = Measurement(),     pm25_nonlocal_fraction_seasalt: Measurement = Measurement())