{"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": ["LSO"], "observations": [{"country": "LSO", "date": 2010, "value": 33.4928560385355}, {"country": "LSO", "date": 2011, "value": 30.4382602629102}, {"country": "LSO", "date": 2012, "value": 27.0707996930906}, {"country": "LSO", "date": 2013, "value": 26.9827521191991}, {"country": "LSO", "date": 2014, "value": 25.4588395682864}, {"country": "LSO", "date": 2015, "value": 26.8565053563098}, {"country": "LSO", "date": 2016, "value": 24.2640386142015}, {"country": "LSO", "date": 2017, "value": 28.5820037049322}, {"country": "LSO", "date": 2018, "value": 27.3648976277986}, {"country": "LSO", "date": 2019, "value": 25.8844505340864}, {"country": "LSO", "date": 2020, "value": 27.1007395853564}, {"country": "LSO", "date": 2021, "value": 27.1127701740992}, {"country": "LSO", "date": 2022, "value": 30.7558120221266}, {"country": "LSO", "date": 2023, "value": 26.4379773450967}, {"country": "LSO", "date": 2024, "value": null}, {"country": "LSO", "date": 2025, "value": null}], "provenance": {"retrieved_at": "2026-10-04T22:50:20.247944+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": []}