{"entity":{"iso2":null,"iso3":null,"name":"Montreal","slug":"montreal"},"indicator":{"licence":"OECD Terms and Conditions (attribution required)","slug":"air-pollution-cities-and-fuas-population-exposure-to-nitrogen-dioxide","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 nitrogen dioxide","unit":"Microgrammes per cubic metre"},"observations":[{"date":"2021-01-01","value":19.8468},{"date":"2022-01-01","value":20.3704},{"date":"2023-01-01","value":0.151631},{"date":"2024-01-01","value":16.7892},{"date":"2025-01-01","value":22.9806}],"summary":{"latest_period":"2025-01-01","latest_value":22.9806,"max":22.9806,"mean":16.0277,"min":0.151631,"of":1324,"rank":778,"trend":"volatile"}}