{"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": ["SLE"], "observations": [{"country": "SLE", "date": 2010, "value": 21.7815763936265}, {"country": "SLE", "date": 2011, "value": 24.8500575155607}, {"country": "SLE", "date": 2012, "value": 21.8606036126187}, {"country": "SLE", "date": 2013, "value": 20.6635036154207}, {"country": "SLE", "date": 2014, "value": 20.3513212383783}, {"country": "SLE", "date": 2015, "value": 26.6521495038632}, {"country": "SLE", "date": 2016, "value": 24.6544965480112}, {"country": "SLE", "date": 2017, "value": 23.2385153027455}, {"country": "SLE", "date": 2018, "value": 24.0903839919268}, {"country": "SLE", "date": 2019, "value": 22.5037713493302}, {"country": "SLE", "date": 2020, "value": 22.6716833620106}, {"country": "SLE", "date": 2021, "value": 21.3670032854365}, {"country": "SLE", "date": 2022, "value": 22.3654861743939}, {"country": "SLE", "date": 2023, "value": 22.461260523478}, {"country": "SLE", "date": 2024, "value": null}, {"country": "SLE", "date": 2025, "value": null}], "provenance": {"retrieved_at": "2026-10-10T09:54:55.135038+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": []}