First public release.
- Indoor PM2.5 mass-balance model with infiltration, deposition, and filtration for 5 home archetypes.
- MERV/HEPA filter modelling, EPA AQI translation, and GBD HRAPIE mortality risk.
- 5 interventions ranked by PM2.5 reduction per dollar.
- Validated against 25 published indoor/outdoor ratio cases, plus simulations of documented smoke events (LA Palisades Fire 2025, Canadian wildfire smoke 2023).
- Static browser frontend porting the physics to JavaScript: no build step, no network calls.
- Python library, experiments, LaTeX paper, 12 unit tests.
See CHANGELOG.md for details.