{"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": ["TZA"], "observations": [{"country": "TZA", "date": 2010, "value": 23.447292129681}, {"country": "TZA", "date": 2011, "value": 24.0450043955925}, {"country": "TZA", "date": 2012, "value": 23.2717852106239}, {"country": "TZA", "date": 2013, "value": 23.0790165463582}, {"country": "TZA", "date": 2014, "value": 20.3066252412462}, {"country": "TZA", "date": 2015, "value": 20.9426794551394}, {"country": "TZA", "date": 2016, "value": 20.4238282680824}, {"country": "TZA", "date": 2017, "value": 18.6038900381073}, {"country": "TZA", "date": 2018, "value": 19.7342269077772}, {"country": "TZA", "date": 2019, "value": 22.0048939517856}, {"country": "TZA", "date": 2020, "value": 22.5094861470273}, {"country": "TZA", "date": 2021, "value": 20.59925012622}, {"country": "TZA", "date": 2022, "value": 21.8389520235848}, {"country": "TZA", "date": 2023, "value": 20.1699588964355}, {"country": "TZA", "date": 2024, "value": null}, {"country": "TZA", "date": 2025, "value": null}], "provenance": {"retrieved_at": "2026-10-05T08:54:47.091292+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": []}