{"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": ["NAM"], "observations": [{"country": "NAM", "date": 2010, "value": 21.1956795104668}, {"country": "NAM", "date": 2011, "value": 19.1486949521859}, {"country": "NAM", "date": 2012, "value": 17.7555421343123}, {"country": "NAM", "date": 2013, "value": 17.0102040960479}, {"country": "NAM", "date": 2014, "value": 14.6130988378326}, {"country": "NAM", "date": 2015, "value": 16.433687883708}, {"country": "NAM", "date": 2016, "value": 15.1750328135787}, {"country": "NAM", "date": 2017, "value": 15.414596586429}, {"country": "NAM", "date": 2018, "value": 16.5373639108224}, {"country": "NAM", "date": 2019, "value": 15.4572528817777}, {"country": "NAM", "date": 2020, "value": 14.4300441951521}, {"country": "NAM", "date": 2021, "value": 14.4518731743436}, {"country": "NAM", "date": 2022, "value": 16.6999376084699}, {"country": "NAM", "date": 2023, "value": 14.2253008498779}, {"country": "NAM", "date": 2024, "value": null}, {"country": "NAM", "date": 2025, "value": null}], "provenance": {"retrieved_at": "2026-10-07T16:42:00.306409+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": []}