Northern lights Ålesund tonight
Ålesund sits at ~62°N magnetic latitude on Norway's west coast. Kp 3 is the threshold from elevated island and fjord positions. Mount Aksla and Giske island give the best dark-sky access. Weather is the main obstacle - clear windows in October and March are the best opportunities. Best season: September to April.
Aurora visibility - Ålesund
Unlikely tonight
Kp 1 is well below the Kp 3 threshold needed for aurora to be visible from Ålesund.
Current Kp
1
of 9
7-day outlook for Ålesund
Today
15 May
Tomorrow
16 May
Sun
17 May
Mon
18 May
Tue
19 May
Wed
20 May
Thu
21 May
Based on CME arrival predictions from NASA DONKI. Arrival times ±6 hours.
What Kp is needed here?
Ålesund sits at a magnetic latitude of approximately 62°N. The Kp index - a global measure of geomagnetic activity on a scale from 0 (quiet) to 9 (extreme storm), updated every 3 hours - needs to reach Kp 3 before the auroral oval expands far enough south to be visible from here.
At Kp 3, visibility is possible from Ålesund but skies need to be clear and dark. Cloud cover and light pollution remain the main obstacles even when Kp is high enough.
Best dark sky sites near Ålesund
Light pollution is the biggest obstacle after cloud cover. These sites give you the best dark northern horizon within reach.
Mount Aksla viewpoint
The 189-step staircase from the town centre to the top of Aksla takes about 10 minutes and gives a 360-degree panorama over the island city, the surrounding archipelago, and the fjords to the north and east. The summit viewpoint platform itself has some lighting, but walking 200 metres off the platform gives dark sky over the north-facing fjord. The silhouette of the city below and the islands on the horizon make for a distinctive aurora foreground.
Giske island
The flat island of Giske, about 15 km north-west of Ålesund by road and tunnel, sits just above sea level with an open Atlantic horizon to the north and west. The island has minimal light pollution outside the small village of Giske. The flat terrain and open water give a wide, low sky that is effective for watching aurora on the horizon during Kp 3 events. Drive to the northern tip of the island for the best position.
Hjørundfjord
About 30 minutes east of Ålesund, the Hjørundfjord is a narrow, steep-sided fjord with dark mountain walls that block surrounding light pollution on all sides. The villages of Ørsta and Volda at the head of the fjord give access to the fjord arms. The reflection of aurora in the still fjord water is a strong foreground. Drive east on Route 60 toward Ørsta and pull off at any of the fjord-edge lay-bys.
Best time to see the northern lights in Ålesund
Ålesund's aurora season runs from late September through to March, when nights are long enough for truly dark skies. The equinox months, September and March, bring a natural boost in geomagnetic activity, making them statistically the best of the season. Summer months bring too much twilight for aurora to be visible at this latitude.
Activity peaks around the September and March equinoxes, when Earth's magnetic field geometry is most favourable for coupling with the solar wind. Events during these two windows tend to produce the strongest displays of the year for observers at Ålesund's latitude.
April through August brings persistent astronomical twilight that washes out aurora completely. Even strong events (Kp 6+) remain invisible during this period because the sky never gets dark enough.
Related pages
Northern Lights Norway
Norway-wide aurora forecast hub.
Northern Lights Bergen Tonight
Bergen - 150 km south with a Kp 3-4 threshold.
Northern Lights Sognefjord Tonight
Sognefjord - Norway's longest fjord, south of Ålesund.
Northern Lights Lofoten Tonight
Lofoten Islands - lower threshold and dramatic mountain scenery.
What Is the Kp Index?
What Kp 3 means for aurora at 62°N magnetic latitude.
Common questions
Aurora watching from Ålesund and the western Norway archipelago.