Kiera Jefferson
In Factorio, pollution is represented as a red cloud on the map screen. It is produced by buildings involved in processing items and spreads outwards steadily. While there is currently no way to directly measure pollution generation or decay, it is known that pollution attracts biters, who will attempt to reach and destroy the source of pollution if it reaches their habitats. Players can view pollution on the map by pressing 'M' and toggling the pollution overlay, or by pressing 'Alt' to bring up the advanced view, which shows pollution as red squares. Additionally, in the options menu, under Graphics, players can enable the option Show pollution on minimap when detailed info is on, allowing them to toggle detailed info with the Alt key.
| Characteristics | Values |
|---|---|
| Pollution visibility | Appears as a blocky red cloud on the map |
| Pollution settings | Can be changed via map generation settings or disabled entirely |
| Pollution spread | Updated per chunk every 64 ticks; spreads in all four cardinal directions at a rate of 2% per 64 ticks |
| Pollution and evolution | Global pollution affects evolution; higher pollution values decrease the time it takes for biters to attack |
| Pollution reduction | Efficiency modules can reduce pollution by up to 80%; solar power and similar options can help |
| Pollution visualisation | Mods can be used to visualise pollution as clouds of smog with adjustable thickness |
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What You'll Learn
Toggle the pollution overlay on the map
To toggle the pollution overlay on the map in Factorio, players can follow these steps:
- Open the in-game map by pressing the "M" key.
- Locate the red button on the map interface that is specifically for toggling the pollution overlay.
- Click on this button to enable or disable the pollution overlay.
It is worth noting that the pollution overlay may not be visible on the minimap and may only be available on the main map. This is because the developers potentially removed it from the minimap when they introduced filters to the primary map.
Additionally, players can adjust their game settings to ensure that pollution is visible on the map. In the options menu, under the Graphics section, there should be a setting called "Show pollution on the minimap when detailed info is on." Enabling this setting will ensure that pollution is visible on the minimap when detailed information is toggled using the "Alt" key.
It is important to distinguish between the map and the minimap when referring to the pollution overlay. The map is the primary fullscreen map that players can access by pressing "M", while the minimap is the smaller, constantly visible map in the game's user interface.
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Check pollution on the minimap
To check pollution on the minimap in Factorio, you can follow these steps:
- Open the options menu and select Graphics.
- Ensure that the third option, "Show pollution on the minimap when detailed info is on," is turned on.
- During gameplay, you can toggle detailed info by using the Alt key.
- Open the map by pressing 'M' on your keyboard.
- On the map, you will see a red button that allows you to toggle the pollution overlay. This overlay will also be visible on the minimap.
It is important to note that some players have mentioned that the option to view pollution on the minimap may have been removed in later versions of the game. Players have speculated that this may be due to performance issues or to reduce clutter on the minimap. However, the pollution overlay can still be viewed on the main map.
Additionally, the pollution cloud is represented abstractly and is calculated for each chunk, visible on the minimap and map when an alternate mode is enabled.
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Understand how pollution affects enemies
In the game Factorio, pollution is a core concept that significantly impacts the gameplay experience. The game revolves around the player's presence on an alien planet, where their actions, such as polluting the environment and extracting resources, attract native life forms as enemies. These enemies, known as "biters," are one of the two main antagonists in the game.
The more pollution that is generated, the higher the spawn rate and strength of these enemies become, creating a dynamic challenge for players. Pollution attracts biters to the player's factory, and they will attempt to reach and destroy the source of pollution. Higher pollution levels lead to more advanced enemy types, making the biters larger and more powerful over time. This is due to the evolution factor, which is increased by the pollution produced by the player's machinery at every tick.
The evolution factor can increase in three ways: a small increase every tick, a larger increase for every 1000 pollution created, and an increase due to the passage of time. Additionally, spawners will continue to spawn enemies until they reach their limit, and captive biter spawners absorb 1 pollution per minute. The pollution level can be monitored by hovering the mouse over a building to see its pollution production rate or by pressing F7 to view the pollution values in map mode.
While pollution attracts enemies and increases the difficulty of the game, it is important to note that the biters represent the indigenous population of the planet. Players can employ strategies such as using clean energy sources and efficiency modules to reduce their pollution output and mitigate the negative consequences.
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Reduce pollution with efficiency modules
Efficiency modules are a great way to reduce pollution in Factorio. They work by decreasing the amount of electricity required to run a machine, which in turn reduces pollution output. This is because pollution generation is directly linked to power usage.
The reduction in pollution is proportional to the reduction in electricity usage. For example, if an efficiency module reduces a machine's energy usage by 40%, it will also reduce its pollution output by 40%. This reduction is capped at 80%, so higher-tier efficiency modules may not be as cost-effective in terms of pollution reduction.
Efficiency modules are particularly useful for machines with high power consumption, such as electric furnaces. They can also be used in mining drills to reduce pollution and keep nearby biters from agitating.
It is important to note that efficiency modules do not always provide the best results when used with productivity modules. While productivity modules can increase the efficiency of a machine in terms of items produced per joule, they also increase energy consumption and, therefore, pollution generation. In some cases, a speed module may provide better efficiency gains when used with productivity modules.
Overall, efficiency modules are a great tool for players who want to reduce pollution in their factories and can be especially useful mid-game for managing power and pollution before accessing nuclear power.
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Visualise pollution with mods
There are several mods available that can help visualise pollution in Factorio. One such mod is "Pollution Tweaks", which allows you to modify the pollution absorption of different tiles in the game. You can increase or decrease the absorption value, or even input negative numbers to watch your world succumb to unhealthy quantities of pollution. Tiles that can be modified include water tiles, concrete, landfill, stone path tiles, grass tiles, and sand tiles.
Another mod, "Pollution Solutions", turns pollution and combat into an interconnected system that you can actively engage with. It adds new features such as the ability to collect, transport, and dump pollution, creating poisonous clouds to damage attackers. Alternatively, you can use Toxic Turrets to spew pollution at enemies. This mod also introduces the Toxic Incinerator, a simple reactor between fossil fuels and nuclear power.
The "Pollution Visuals" mod allows you to change the thickness of the smog and visualise the different levels of thickness.
To see pollution on the minimap, you can go into the options menu and open Graphics. Make sure the "Show pollution on the minimap when detailed info is on" option is turned on. Then, in the game, you can toggle detailed info with the Alt key. Open the map and there will be a red button to toggle the pollution overlay.
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Frequently asked questions
You can check pollution in Factorio by pressing 'M' to open the map and then pressing the red button to toggle the pollution overlay. You can also press Alt to toggle detailed info, which will show pollution on the map as a series of red squares.
The ability to check pollution in the minimap was removed by the developers. It is now only possible to check pollution in the main map.
The pollution level is indicated by a cloud of smog, which gets thicker as the pollution level increases. The pollution level can also be indicated by the colour red, with a higher intensity of red indicating a higher level of pollution.
There is currently no way to directly reduce pollution in Factorio. However, you can reduce pollution by up to 80% for anything with efficiency modules, and solar power is a cleaner energy source that can help reduce pollution.
