{"entity":{"iso2":null,"iso3":null,"name":"Haarlem","slug":"haarlem"},"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":28.2961},{"date":"2022-01-01","value":27.4719},{"date":"2023-01-01","value":0.15013},{"date":"2024-01-01","value":21.6008},{"date":"2025-01-01","value":24.508}],"summary":{"latest_period":"2025-01-01","latest_value":24.508,"max":28.2961,"mean":20.4054,"min":0.15013,"of":1324,"rank":798,"trend":"volatile"}}