From Pathfinder Adventure Path: Gatewalkers, which isn't enabled.

Poisonous Atmosphere

COMPLEX HAZARD 1

Stealth +5 (expert) to identify the source of sudden nausea

Description Aucturn's poisonous, magical atmosphere has strange effects on the planet's creatures.

Disable DC 20 Survival (trained) or DC 20 Occultism (trained) to breathe pockets of safe air trapped in bags and clothing

Poisonous Atmosphere (illusion, mental, occult)

Trigger A non-native creature breathes the atmosphere

Effect The triggering creature must attempt a DC 17 Fortitude save. The hazard then rolls initiative.

Critical Success The creature is invigorated by the atmosphere and is Quickened for 1 round.

Success The creature is unaffected.

Failure The creature is Clumsy 1.

Critical Failure The creature is Confused for 1 round.

Routine (1 action; illusion, mental, occult) The atmosphere continues to affect all creatures in the area, requiring a new Fortitude save each round against its Poisonous Atmosphere. A creature holding its breath gains a +2 circumstance bonus to the save.

Pathfinder Adventure Path: GatewalkersORC