# Pollution

*Source* · `src-factoriowiki-2026-pollution` · status: **n/a**

| field | value |
|---|---|
| kind | Encyclopedia / wiki |
| authors | Factorio Wiki contributors |
| venue | Official Factorio Wiki |
| date | 2026 |
| url | https://wiki.factorio.com/Pollution |
| accessed | 2026-10-24 |

## Notes

Pollution stored per 32x32-tile chunk and updated every 64 ticks; chunks at 15 or more diffuse 2% to each cardinal neighbor; tiles absorb per chunk per minute (water 1.536, grass 1.10592); trees damaged above 60; spawners absorb pollution to send attack units (small biter 4); evolution driven by pollution produced.

## Backlinks (computed)

**cited by:** [Factorio](../game/factorio.md), [Pollution spread](../mechanic/pollution-spread.md)

## Citation

Factorio Wiki contributors (2026). *Pollution*. Official Factorio Wiki https://wiki.factorio.com/Pollution

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Provenance: created in run `2026-10-24-taxonomy-m5`.