{"indicator": {"code": "ENV.PM25", "name": "Pollution de l'air (PM2,5)", "unit": "Nombre"}, "source": {"name": "World Bank", "producer": "Banque mondiale", "url": "https://data.worldbank.org", "license": "CC BY 4.0", "license_url": "https://datacatalog.worldbank.org/public-licenses"}, "countries": ["SEN"], "observations": [{"country": "SEN", "date": 2010, "value": 40.6020418218403}, {"country": "SEN", "date": 2011, "value": 40.7000713653305}, {"country": "SEN", "date": 2012, "value": 47.6952217115786}, {"country": "SEN", "date": 2013, "value": 36.1326172852972}, {"country": "SEN", "date": 2014, "value": 38.8137391761983}, {"country": "SEN", "date": 2015, "value": 47.635468588898}, {"country": "SEN", "date": 2016, "value": 41.9387343120495}, {"country": "SEN", "date": 2017, "value": 45.1130669066908}, {"country": "SEN", "date": 2018, "value": 41.0132503890827}, {"country": "SEN", "date": 2019, "value": 39.8433750730602}, {"country": "SEN", "date": 2020, "value": 40.6552283701407}, {"country": "SEN", "date": 2021, "value": 42.371884937796}, {"country": "SEN", "date": 2022, "value": 39.328601950874}, {"country": "SEN", "date": 2023, "value": 41.6483649398667}, {"country": "SEN", "date": 2024, "value": null}, {"country": "SEN", "date": 2025, "value": null}], "provenance": {"retrieved_at": "2026-10-07T06:32:58.172509+00:00", "methodology": "µg/m³, exposition moyenne annuelle.", "attribution": "Source : Banque mondiale. Données consultées via BNTIC FasoData.", "note": "BNTIC n'est pas producteur de ces statistiques."}, "meta": {"start": 2010, "end": 2026, "cache_ttl": 43200}, "warnings": []}