yahar should fix being sucked or blown away from a zone you're nowhere near anymore.

code/ZAS/Airflow.dm

@@ -117,7 +117,7 @@ obj/item/check_airflow_movable(n)
 //Zones A and B are air zones. n represents the amount of air moved.
 
 proc/Airflow(zone/A, zone/B)
-
+	set background = 1
 	var/n = B.air.return_pressure() - A.air.return_pressure()
 
 	 //Don't go any further if n is lower than the lowest value needed for airflow.
@@ -139,6 +139,7 @@ proc/Airflow(zone/A, zone/B)
 				connected_turfs |= C.B
 
 	//Get lists of things that can be thrown across the room for each zone (assumes air is moving from zone B to zone A)
+	spawn()
 		var/list/air_sucked = B.movables()
 		var/list/air_repelled = A.movables()
 		if(n < 0)
@@ -169,7 +170,7 @@ proc/Airflow(zone/A, zone/B)
 
 						M.airflow_dest = pick(close_turfs) //Pick a random midpoint to fly towards.
 
-					spawn M.GotoAirflowDest(abs(n)/5)
+						M.GotoAirflowDest(abs(n)/5)
 
 			//Do it again for the stuff in the other zone, making it fly away.
 			for(var/atom/movable/M in air_repelled)
@@ -195,7 +196,7 @@ proc/Airflow(zone/A, zone/B)
 						spawn M.RepelAirflowDest(abs(n)/5)
 
 proc/AirflowSpace(zone/A)
-
+	spawn()
 		//The space version of the Airflow(A,B,n) proc.
 
 		var/n = A.air.return_pressure()
@@ -226,8 +227,7 @@ proc/AirflowSpace(zone/A)
 					if(!M.airflow_speed)
 
 						M.airflow_dest = pick(close_turfs) //Pick a random midpoint to fly towards.
-					spawn
-						if(M) M.GotoAirflowDest(n/10)
+						M.GotoAirflowDest(n/10)
 						//Sometimes shit breaks, and M isn't there after the spawn.
 */
 

code/ZAS/ConnectionGroup.dm

@@ -85,7 +85,8 @@ Class Procs:
 
 /connection_edge/proc/tick()
 
-/connection_edge/proc/flow(list/movable, differential, repelled)
+/connection_edge/proc/flow(list/movable, differential, repelled, flipped = 0)
+	//Flipped tells us if we are going from A to B or from B to A.
 	if(!zas_settings.Get(/datum/ZAS_Setting/airflow_push))
 		return
 	for(var/atom/movable/M in movable)
@@ -115,8 +116,18 @@ Class Procs:
 
 			if(M)
 				if(repelled)
+					if(flipped)
+						if(!(M.loc in src:A.contents))
+							continue
+					else if(!(M.loc in src:B.contents))
+						continue
 					M.RepelAirflowDest(differential/5)
 				else
+					if(flipped)
+						if(!(M.loc in src:B.contents))
+							continue
+					else if(!(M.loc in src:A.contents))
+						continue
 						M.GotoAirflowDest(differential/10)
 
 
@@ -176,15 +187,17 @@ Class Procs:
 
 	var/list/attracted
 	var/list/repelled
+	var/flipped = 0
 	if(differential > 0)
 		attracted = A.movables()
 		repelled = B.movables()
 	else
+		flipped = 1
 		attracted = B.movables()
 		repelled = A.movables()
 
-	flow(attracted, abs(differential), 0)
-	flow(repelled, abs(differential), 1)
+	flow(attracted, abs(differential), 0, flipped)
+	flow(repelled, abs(differential), 1, flipped)
 
 //Helper proc to get connections for a zone.
 /connection_edge/zone/proc/get_connected_zone(zone/from)