{"entity":{"iso2":null,"iso3":null,"name":"Washington (Greater)","slug":"washington-greater"},"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":44.8299},{"date":"2022-01-01","value":21.8786},{"date":"2023-01-01","value":0.0900476},{"date":"2024-01-01","value":18.0583},{"date":"2025-01-01","value":18.569}],"summary":{"latest_period":"2025-01-01","latest_value":18.569,"max":44.8299,"mean":20.6852,"min":0.0900476,"of":1316,"rank":1249,"trend":"volatile"}}