{"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": ["BWA"], "observations": [{"country": "BWA", "date": 2010, "value": 20.0842789077473}, {"country": "BWA", "date": 2011, "value": 15.5405259285874}, {"country": "BWA", "date": 2012, "value": 17.0970022555707}, {"country": "BWA", "date": 2013, "value": 16.6826257510739}, {"country": "BWA", "date": 2014, "value": 12.6783006490467}, {"country": "BWA", "date": 2015, "value": 16.628762454879}, {"country": "BWA", "date": 2016, "value": 14.8575911976175}, {"country": "BWA", "date": 2017, "value": 14.3253324202465}, {"country": "BWA", "date": 2018, "value": 16.024262643929}, {"country": "BWA", "date": 2019, "value": 15.0050545912724}, {"country": "BWA", "date": 2020, "value": 13.3194834274843}, {"country": "BWA", "date": 2021, "value": 13.9720494964628}, {"country": "BWA", "date": 2022, "value": 13.3955374058688}, {"country": "BWA", "date": 2023, "value": 13.2435593608353}, {"country": "BWA", "date": 2024, "value": null}, {"country": "BWA", "date": 2025, "value": null}], "provenance": {"retrieved_at": "2026-10-04T06:50:53.386586+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": []}