{"entity":{"iso2":null,"iso3":null,"name":"Gelsenkirchen","slug":"gelsenkirchen"},"indicator":{"licence":"OECD Terms and Conditions (attribution required)","slug":"air-pollution-cities-and-fuas-population-exposure-to-nitrogen-dioxide","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 nitrogen dioxide","unit":"Microgrammes per cubic metre"},"observations":[{"date":"2021-01-01","value":79.2138},{"date":"2022-01-01","value":70.5719},{"date":"2023-01-01","value":0.440236},{"date":"2024-01-01","value":59.1668},{"date":"2025-01-01","value":54.7944}],"summary":{"latest_period":"2025-01-01","latest_value":54.7944,"max":79.2138,"mean":52.8374,"min":0.440236,"of":1324,"rank":60,"trend":"volatile"}}