Pollution not showing up *Yes i know about alt"

[babieswithrabies]

just recently found the game a couple days ago and im hooked, i've heard of pollution but didnt' realize it was a problem because i can't see it.. Can't turn it on either, I've clicked the options under graphics, and also tried F4 "Show pollution vaules" but I can't seem to figure it out... i've seen pictures of people getting a red indicator of their pollution and i don't get this..

[Koub]

Since 0.15, pollution display can be switched on and off when in map mode, by clicking on the red square under the minimap.

[Greybeard_LXI]

If you are still on 0.14 the alt key will show pollution on the map (hot key M).