{"entity":{"iso2":null,"iso3":null,"name":"Aachen","slug":"aachen"},"indicator":{"licence":"OECD Terms and Conditions (attribution required)","slug":"air-pollution-cities-and-fuas-population-exposure-to-pm2-5","source":"Organisation for Economic Co-operation and Development","source_url":"https://data-explorer.oecd.org/vis?df[ds]=dsDisseminateFinalDMZ&df[id]=DSD_FUA_ENV@DF_POLLUTION","title":"Air pollution - Cities and FUAs \u2014 Population exposure to PM2.5","unit":"Microgrammes per cubic metre"},"observations":[{"date":"2021-01-01","value":32.6524},{"date":"2022-01-01","value":32.922},{"date":"2023-01-01","value":0.154115},{"date":"2024-01-01","value":26.2052},{"date":"2025-01-01","value":26.2645}],"summary":{"latest_period":"2025-01-01","latest_value":26.2645,"max":32.922,"mean":23.6396,"min":0.154115,"of":1324,"rank":714,"trend":"volatile"}}