{"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": ["BFA"], "observations": [{"country": "BFA", "date": 2010, "value": 41.7046322646686}, {"country": "BFA", "date": 2011, "value": 42.704603891547}, {"country": "BFA", "date": 2012, "value": 41.9889050064991}, {"country": "BFA", "date": 2013, "value": 35.571502354435}, {"country": "BFA", "date": 2014, "value": 37.4453908399316}, {"country": "BFA", "date": 2015, "value": 48.7105219514513}, {"country": "BFA", "date": 2016, "value": 43.2939002203779}, {"country": "BFA", "date": 2017, "value": 41.2767834293187}, {"country": "BFA", "date": 2018, "value": 35.9160885050934}, {"country": "BFA", "date": 2019, "value": 34.0812487151047}, {"country": "BFA", "date": 2020, "value": 38.7317658994725}, {"country": "BFA", "date": 2021, "value": 37.330661427955}, {"country": "BFA", "date": 2022, "value": 41.5553296753411}, {"country": "BFA", "date": 2023, "value": 37.3246424541393}, {"country": "BFA", "date": 2024, "value": null}, {"country": "BFA", "date": 2025, "value": null}], "provenance": {"retrieved_at": "2026-10-05T09:46:57.501442+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": []}