{"entity":{"iso2":null,"iso3":null,"name":"Oslo","slug":"oslo"},"indicator":{"licence":"CC BY 4.0 (Eurostat)","slug":"nitrogen-dioxide-concentrations-in-european-capital-cities-monthly-averages-experimental","source":"Eurostat","source_url":"https://ec.europa.eu/eurostat/databrowser/view/env_air_no2","title":"Nitrogen dioxide concentrations in European capital cities - monthly averages, experimental statistics","unit":"Micrograms per cubic metre"},"observations":[{"date":"2018-01-01","value":40.4},{"date":"2019-01-01","value":36.2},{"date":"2020-01-01","value":22.2},{"date":"2021-01-01","value":34.0},{"date":"2022-01-01","value":30.9},{"date":"2023-01-01","value":31.0},{"date":"2024-01-01","value":26.4},{"date":"2025-01-01","value":20.2},{"date":"2026-01-01","value":9.8}],"summary":{"latest_period":"2026-01-01","latest_value":9.8,"max":40.4,"mean":27.9,"min":9.8,"of":30,"rank":25,"trend":"falling"}}