You can access historical air quality data from August 2022 onwards: https://open-meteo.com/en/docs/air-quality-api#start_date=2022-07-29&end_date=2024-06-09&ti

You can access historical air quality data from August 2022 onwards: https://open-meteo.com/en/docs/air-quality-api#start_date=2022-07-29&end_date=2024-06-09&time_mode=time_interval https://open-meteo.com/en/docs/air-quality-api#start_date=20.... Data is based on the Copernicus air quality forecast. All are references listed the documentation