{"entity":{"iso2":null,"iso3":null,"name":"Halifax","slug":"halifax"},"indicator":{"licence":"OECD Terms and Conditions (attribution required)","slug":"air-pollution-cities-and-fuas-population-exposure-to-ozone","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 ozone","unit":"Microgrammes per cubic metre"},"observations":[{"date":"2021-01-01","value":73.7931},{"date":"2022-01-01","value":70.6774},{"date":"2023-01-01","value":0.156592},{"date":"2024-01-01","value":73.5849},{"date":"2025-01-01","value":77.5204}],"summary":{"latest_period":"2025-01-01","latest_value":77.5204,"max":77.5204,"mean":59.1465,"min":0.156592,"of":1324,"rank":755,"trend":"volatile"}}