{"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": ["GNB"], "observations": [{"country": "GNB", "date": 2010, "value": 33.3220582552832}, {"country": "GNB", "date": 2011, "value": 34.1313120548603}, {"country": "GNB", "date": 2012, "value": 35.6196267372682}, {"country": "GNB", "date": 2013, "value": 28.487890085031}, {"country": "GNB", "date": 2014, "value": 30.2524068012234}, {"country": "GNB", "date": 2015, "value": 36.1920659472528}, {"country": "GNB", "date": 2016, "value": 32.9366295828644}, {"country": "GNB", "date": 2017, "value": 36.4190361069168}, {"country": "GNB", "date": 2018, "value": 35.1487323389583}, {"country": "GNB", "date": 2019, "value": 30.9440705726087}, {"country": "GNB", "date": 2020, "value": 32.5028674212238}, {"country": "GNB", "date": 2021, "value": 31.7834142819936}, {"country": "GNB", "date": 2022, "value": 31.6464547644496}, {"country": "GNB", "date": 2023, "value": 32.2919342603912}, {"country": "GNB", "date": 2024, "value": null}, {"country": "GNB", "date": 2025, "value": null}], "provenance": {"retrieved_at": "2026-10-05T08:55:16.874546+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": []}