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Volpedia/Games/Factorio/Enemies/Pollution cloud
FACTORIO / ENEMIES

Pollution cloud

Factory emissions spread according to environment and help drive enemy attack pressure.

Original Volpedia referenceReviewed 2026-10-27Quick reference · noindexBASE / CORE SYSTEM
Original Volpedia editorial diagram, not an in-game machine screenshotOriginal Volpedia illustration
OverviewResources17Machines17Logistics17Power12Trains11Circuits12Research14Weapons13Maps12Modes8Enemies11Blueprints10Space Age14Progression12Guides22Tips12Tools2
Practical advice: Open the pollution overlay to see whether new mines extend threat exposure.
How it worksPractical adviceMistakes to avoidRelated
01

How it works

Factory emissions spread according to environment and help drive enemy attack pressure.

02

Practical advice

Open the pollution overlay to see whether new mines extend threat exposure.

03

Mistakes to avoid

Estimating attacks only from distance without considering pollution spread.

RELATED ON VOLPEDIA

Keep exploring Factorio.

guidesDefense, pollution and enemy evolution

Survive factory expansion without allowing pollution-driven attacks to disable production.

mapsEnemy nests

Biter and spitter bases that can be affected by pollution and expansion behavior.

enemiesBase expansion

Enemies can establish new nests under appropriate world settings.

enemiesBehemoth biter

Late-game heavily armored enemy demanding advanced defense and damage technology.

enemiesBig biter

Advanced enemy with greater durability, increasing pressure on under-equipped walls.

enemiesBig spitter

Powerful ranged enemy that challenges weak or concentrated defenses.

enemiesEnemy evolution

Enemy difficulty changes over time and with world conditions, affecting the types of hostile units.

Back to Enemies
IN THIS GUIDEHow it worksPractical adviceMistakes to avoidRelated topics
EXPLORE OTHER SECTIONSResourcesMachinesLogisticsPowerTrainsCircuitsResearchWeaponsMapsModesBlueprintsSpace AgeProgressionGuides
Every explanation is on Volpedia. An internal registry records research and version checks.

Volpedia is an independent fan reference, not affiliated with Wube Software. Factorio mechanics and recipes may change between versions, mods and base game versus Space Age. Content last reviewed October 27, 2026. Category illustrations are original Volpedia diagrams, not gameplay screenshots. Factorio trademarks belong to their owners. Research and provenance records are maintained internally.

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