diff --git a/code/modules/overmap/contacts/_contacts.dm b/code/modules/overmap/contacts/_contacts.dm
index 8cc6ef68546..395050738ff 100644
--- a/code/modules/overmap/contacts/_contacts.dm
+++ b/code/modules/overmap/contacts/_contacts.dm
@@ -74,7 +74,7 @@
 	if(pinged)
 		return
 	pinged = TRUE
-	effect.opacity = 1
+	effect.opacity = initial(effect.opacity)
 	show()
 	animate(marker, alpha=255, 0.5 SECOND, 1, LINEAR_EASING)
 	addtimer(CALLBACK(src, PROC_REF(unping)), 1 SECOND)
diff --git a/code/modules/overmap/events/event.dm b/code/modules/overmap/events/event.dm
index c95727482b7..20367e1fada 100644
--- a/code/modules/overmap/events/event.dm
+++ b/code/modules/overmap/events/event.dm
@@ -260,13 +260,13 @@
 /obj/effect/overmap/event/meteor
 	name = "asteroid field"
 	events = list(/datum/event/meteor_wave/overmap)
+	opacity = 1
 	event_icon_states = list("meteor1", "meteor2", "meteor3", "meteor4")
 	difficulty = EVENT_LEVEL_MAJOR
 
 /obj/effect/overmap/event/electric
 	name = "electrical storm"
 	events = list(/datum/event/electrical_storm)
-	opacity = 0
 	event_icon_states = list("electrical1", "electrical2")
 	difficulty = EVENT_LEVEL_MAJOR
 	can_be_destroyed = FALSE
@@ -274,13 +274,13 @@
 /obj/effect/overmap/event/dust
 	name = "dust cloud"
 	events = list(/datum/event/meteor_wave/dust/overmap)
+	opacity = 1
 	event_icon_states = list("dust1", "dust2", "dust3", "dust4")
 	can_be_destroyed = FALSE
 
 /obj/effect/overmap/event/ion
 	name = "ion cloud"
 	events = list(/datum/event/ionstorm)
-	opacity = 0
 	event_icon_states = list("ion1", "ion2", "ion3", "ion4")
 	difficulty = EVENT_LEVEL_MAJOR
 	can_be_destroyed = FALSE
@@ -288,19 +288,18 @@
 /obj/effect/overmap/event/carp
 	name = "carp shoal"
 	events = list(/datum/event/carp_migration/overmap)
-	opacity = 0
 	difficulty = EVENT_LEVEL_MODERATE
 	event_icon_states = list("carp")
 	movable_event_chance = 5
 
 /obj/effect/overmap/event/carp/major
 	name = "carp school"
+	opacity = 1
 	difficulty = EVENT_LEVEL_MAJOR
 
 /obj/effect/overmap/event/gravity
 	name = "dark matter influx"
 	events = list(/datum/event/gravity)
-	opacity = 0
 	can_be_destroyed = FALSE
 
 //These now are basically only used to spawn hazards. Will be useful when we need to spawn group of moving hazards
@@ -309,13 +308,14 @@
 	var/radius = 2
 	var/count = 6
 	var/hazards
-	var/opacity = 1
+	var/opacity = 0
 	var/continuous = TRUE //if it should form continous blob, or can have gaps
 
 /datum/overmap_event/meteor
 	name = "asteroid field"
 	count = 15
 	radius = 4
+	opacity = 1
 	continuous = FALSE
 	hazards = /obj/effect/overmap/event/meteor
 
@@ -323,27 +323,25 @@
 	name = "electrical storm"
 	count = 11
 	radius = 3
-	opacity = 0
 	hazards = /obj/effect/overmap/event/electric
 
 /datum/overmap_event/dust
 	name = "dust cloud"
 	count = 16
 	radius = 4
+	opacity = 1
 	hazards = /obj/effect/overmap/event/dust
 
 /datum/overmap_event/ion
 	name = "ion cloud"
 	count = 8
 	radius = 3
-	opacity = 0
 	hazards = /obj/effect/overmap/event/ion
 
 /datum/overmap_event/carp
 	name = "carp shoal"
 	count = 8
 	radius = 3
-	opacity = 0
 	continuous = FALSE
 	hazards = /obj/effect/overmap/event/carp
 
@@ -351,11 +349,11 @@
 	name = "carp school"
 	count = 5
 	radius = 4
+	opacity = 1
 	hazards = /obj/effect/overmap/event/carp/major
 
 /datum/overmap_event/gravity
 	name = "dark matter influx"
 	count = 12
 	radius = 4
-	opacity = 0
 	hazards = /obj/effect/overmap/event/gravity
diff --git a/html/changelogs/llywelwyn-sensors fix.yml b/html/changelogs/llywelwyn-sensors fix.yml
new file mode 100644
index 00000000000..0d65d8ed903
--- /dev/null
+++ b/html/changelogs/llywelwyn-sensors fix.yml	
@@ -0,0 +1,41 @@
+################################
+# Example Changelog File
+#
+# Note: This file, and files beginning with ".", and files that don't end in ".yml" will not be read. If you change this file, you will look really dumb.
+#
+# Your changelog will be merged with a master changelog. (New stuff added only, and only on the date entry for the day it was merged.)
+# When it is, any changes listed below will disappear.
+#
+# Valid Prefixes:
+#   bugfix
+#   wip (For works in progress)
+#   tweak
+#   soundadd
+#   sounddel
+#   rscadd (general adding of nice things)
+#   rscdel (general deleting of nice things)
+#   imageadd
+#   imagedel
+#   maptweak
+#   spellcheck (typo fixes)
+#   experiment
+#   balance
+#   admin
+#   backend
+#   security
+#   refactor
+#################################
+
+# Your name.
+author: Llywelwyn
+
+# Optional: Remove this file after generating master changelog.  Useful for PR changelogs that won't get used again.
+delete-after: True
+
+# Any changes you've made.  See valid prefix list above.
+# INDENT WITH TWO SPACES.  NOT TABS.  SPACES.
+# SCREW THIS UP AND IT WON'T WORK.
+# Also, all entries are changed into a single [] after a master changelog generation. Just remove the brackets when you add new entries.
+# Please surround your changes in  double quotes ("), as certain characters otherwise screws up compiling. The quotes will not show up in the changelog.
+changes:
+  - bugfix: "Overmap events now respect their opacity settings, rather than all hazards being opaque. Now only asteroids, dust clouds, and large carp schools block vision, as intended."