{"entity":{"iso2":null,"iso3":null,"name":"Riga","slug":"riga-2"},"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":26.6},{"date":"2019-01-01","value":27.6},{"date":"2020-01-01","value":19.8},{"date":"2021-01-01","value":32.2},{"date":"2022-01-01","value":25.9},{"date":"2023-01-01","value":31.5},{"date":"2024-01-01","value":17.7},{"date":"2025-01-01","value":17.2},{"date":"2026-01-01","value":14.2}],"summary":{"latest_period":"2026-01-01","latest_value":14.2,"max":32.2,"mean":23.6333,"min":14.2,"of":30,"rank":15,"trend":"falling"}}