{"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": ["RWA"], "observations": [{"country": "RWA", "date": 2010, "value": 39.9524676780076}, {"country": "RWA", "date": 2011, "value": 40.2979486427098}, {"country": "RWA", "date": 2012, "value": 40.2514244200244}, {"country": "RWA", "date": 2013, "value": 40.6080865126933}, {"country": "RWA", "date": 2014, "value": 36.5113738855701}, {"country": "RWA", "date": 2015, "value": 39.1273737775822}, {"country": "RWA", "date": 2016, "value": 38.9146420850134}, {"country": "RWA", "date": 2017, "value": 32.9065245496364}, {"country": "RWA", "date": 2018, "value": 32.1513532416355}, {"country": "RWA", "date": 2019, "value": 40.1780502490937}, {"country": "RWA", "date": 2020, "value": 38.4056047935603}, {"country": "RWA", "date": 2021, "value": 37.0965668074397}, {"country": "RWA", "date": 2022, "value": 36.1201417686153}, {"country": "RWA", "date": 2023, "value": 36.0064247681194}, {"country": "RWA", "date": 2024, "value": null}, {"country": "RWA", "date": 2025, "value": null}], "provenance": {"retrieved_at": "2026-10-06T01:21:05.394353+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": []}