{"entity":{"iso2":null,"iso3":null,"name":"Alkmaar","slug":"alkmaar"},"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":22.3013},{"date":"2022-01-01","value":22.0562},{"date":"2023-01-01","value":0.191718},{"date":"2024-01-01","value":18.5087},{"date":"2025-01-01","value":21.9926}],"summary":{"latest_period":"2025-01-01","latest_value":21.9926,"max":22.3013,"mean":17.0101,"min":0.191718,"of":1324,"rank":900,"trend":"volatile"}}