{"entity":{"iso2":null,"iso3":null,"name":"Madison","slug":"madison"},"indicator":{"licence":"OECD Terms and Conditions (attribution required)","slug":"air-pollution-cities-and-fuas-population-exposure-to-pm10","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 PM10","unit":"Microgrammes per cubic metre"},"observations":[{"date":"2021-01-01","value":32.9916},{"date":"2022-01-01","value":24.3607},{"date":"2023-01-01","value":0.0886187},{"date":"2024-01-01","value":17.5797},{"date":"2025-01-01","value":15.5711}],"summary":{"latest_period":"2025-01-01","latest_value":15.5711,"max":32.9916,"mean":18.1183,"min":0.0886187,"of":1324,"rank":1301,"trend":"volatile"}}