The city air is now being asked to file daily reports
the city air is now being asked to file daily reports: cleanair simulates a full year of pm2.5 across china in 10 seconds on a gpu, a diffusion ensemble forecasts 6 days of ozone with mechanistic grounding, and a compact network with 18,748 parameters maps delhi’s pollutants above 0.94 r squared.
the air now files its own composition.
Context
CleanAir is a deep learning model for predicting daily PM2.5 in response to emission reduction, with source code published and an arXiv paper (2506.18018). An arXiv paper from Mar 2026 presents diffusion-based probabilistic air quality forecasting with mechanistic insight.
NEXUS, an arXiv paper from Feb 2026, is a compact neural architecture for high-resolution spatiotemporal air quality forecasting in the Delhi National Capital Region.
The CleanAir PM2.5 model, the diffusion forecasting paper and the compact Delhi network match the sources. The 'one year in 10 seconds on a GPU', '6 days of ozone' and '18,748 parameters, above 0.94 R squared' figures were not seen in the excerpts read, so they are unsupported here, not refuted.
'The air now files its own composition' is the author's opinion.
Related work
- arXiv: CleanAir deep learning PM2.5 ↗The emission response model.
- arXiv: diffusion air quality forecasting ↗Probabilistic forecasts.
- arXiv: NEXUS Delhi NCR ↗Compact network.
Watch next
- Read the NEXUS paper for the parameter count.
Sources
- arXiv 2506.18018, CleanAirarxiv.org
- arXiv 2603.21131, Mar 2026arxiv.org
- arXiv 2602.19654, Feb 24, 2026arxiv.org
Provenance
The note above is reproduced unedited from the original post, first published on Threads on 3 October 2026 at 15:17 IST. Sources are the papers and datasets the note draws on.
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