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Khabre desk
Recent reporting, analysis and explainers from the air pollution desk.
health
A US county-level analysis found that the way daily PM2.5 concentrations were distributed through the year added mortality-predictive information beyond the annual average. The study was posted as a medRxiv preprint and estimates predictive performance rather than a causal effect on individual mortality.
science
University of Manchester researchers used NVIDIA Earth-2 generative models to build a UK-wide air-pollution forecasting workflow at 2–3 kilometre resolution. The training process took two days on an eight-GPU node at Isambard-AI, while smaller training runs and inference now run on NVIDIA’s DGX Spark desktop system.
science
A NASA-funded network of 10 ground sensors measured PM2.5 and black carbon across Addis Ababa from 2022 to 2025. The data show pollution patterns linked to traffic, fuel burning and holiday bonfires, creating a baseline for future satellite observations.