Live aurora forecast

Northern lights in Ilulissat tonight

West Greenland · 72° magnetic latitude · Kp 1 threshold

Aurora visibility · Ilulissat
1/9
Possible tonight

Kp 1 is at the threshold for Ilulissat. Aurora may be visible from a dark site if cloud cover permits.

QuietStormExtreme
Threshold
Kp 1
Magnetic latitude
~72°N
Bz ↓ south
- nT
Solar wind
- km/s
Density
- p/cm³
Cloud
-
Conditions right now: - Kp + Bz + solar wind + cloud + moon

Updated: 3 Jul, 14:47 UTC

7-day outlook for Ilulissat

Today
3 Jul
1
Possible
Tomorrow
4 Jul
3
Good chance
Sun
5 Jul
3
Good chance
Mon
6 Jul
3
Good chance
Tue
7 Jul
3
Good chance
Wed
8 Jul
3
Good chance
Thu
9 Jul
3
Good chance

Based on CME arrival predictions from NASA DONKI. Arrival times ±6 hours.

auroratonight.space

What Kp is needed here?

Ilulissat sits at a magnetic latitude of approximately 72°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 1 before the auroral oval expands far enough south to be visible from here.

At Kp 1, visibility is possible from Ilulissat but skies need to be clear and dark. Cloud cover and light pollution remain the main obstacles even when Kp is high enough.

Plan your viewing

Best dark sky sites near Ilulissat

Light pollution is the biggest obstacle after cloud cover. These sites give you the best dark northern horizon within reach.

Ilulissat Icefjord UNESCO viewpoint

Get directions ↗
Bortle Class 1–2 - Exceptional dark sky 3 km from Ilulissat - approximately 40 minute walk on boardwalk

The icefjord rim gives a direct view over the mouth of Sermeq Kujalleq glacier, where icebergs up to 100 m tall emerge from a 40 km calving front. The viewpoint faces south-southwest across the icefjord. At night the bergs are lit by moonlight or aurora glow. The boardwalk path is maintained but deep snow in winter requires insulated boots. No artificial light reaches this position - the town sits behind the ridge above.

Sermermiut settlement ruins

Get directions ↗
Bortle Class 1 - Exceptional dark sky 4 km from Ilulissat - approximately 50 minute walk

An ancient Inuit settlement on the icefjord rim occupied for over 4,000 years, now a protected archaeological site. Stone tent rings and food caches mark the site above the icefjord edge. The position is slightly elevated above the UNESCO viewpoint, giving a wider iceberg panorama. Complete darkness - the ruins themselves create a foreground without lighting. One of the most atmospheric aurora positions on earth: standing on a 4,000-year-old site above a glacier in the dark.

Holms Bakke hill

Get directions ↗
Bortle Class 2 - Excellent dark sky 1 km from town centre - approximately 15 minute walk

A low hill immediately behind the town, easily reached on foot. The north-facing slope gives views over Disko Bay - a vast body of open water with icebergs drifting in from the icefjord. On active nights the aurora spans the full arc from west to east above the bay. This is the quickest option when conditions come good unexpectedly - closer than the icefjord walk and still a dark north-facing position.

When to go

Best time to see the northern lights in Ilulissat

At 72°N magnetic latitude, Ilulissat has one of the longest aurora seasons in the world. Meaningful darkness returns in late August and displays are possible on almost any clear night from September through March. Only the endless daylight of May, June, and July rules out viewing completely.

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 Ilulissat's latitude.

May through July is effectively impossible for aurora viewing: the midnight sun keeps the sky bright around the clock at this latitude. No storm level, not even G5, can produce a visible display without astronomical darkness.

Up to 8 locations

Ilulissat

Greenland

Possible
Kp 1 need Kp 1
Checking darkness…
Nuuk

Greenland

Possible
Kp 1 need Kp 1
Checking darkness…
Kangerlussuaq

Greenland

Possible
Kp 1 need Kp 1
Checking darkness…
The odds

How often does the aurora appear in Ilulissat?

Average nights per month the Kp reached Ilulissat's threshold of 1+, from 15 years of geomagnetic data (2010–2024).

24.8Jan
27.3Feb
30.7Mar
0Apr
0May
0Jun
0Jul
0Aug
18.6Sep
31.1Oct
25Nov
22.6Dec

Counts the Kp 1+ threshold only - cloud cover and local darkness are not included.
Kp data: GFZ German Research Centre for Geosciences, CC BY 4.0

Make it happen

Plan your trip to Ilulissat

Based on 15 years of geomagnetic data (2010–2024)

1st
October
31.1
avg aurora nights
Requires an extended stay
2nd
March
30.7
avg aurora nights
Stay 1+ nights for 80% chance
3rd
February
27.3
avg aurora nights
Stay 1+ nights for 80% chance

Best window

The January to March window averages 83 aurora nights - the strongest consecutive stretch of the year.

How long to stay

Aurora at this latitude requires patience - allow as many nights as possible during October.

From the community

Aurora photographs from Ilulissat

Real photos sourced from Wikimedia Commons.

Aurora over IlulissatAurora over Ilulissat
Aurora over IlulissatAurora over Ilulissat
Aurora over IlulissatAurora over Ilulissat
Aurora over IlulissatAurora over Ilulissat
Aurora over IlulissatAurora over Ilulissat
Aurora over IlulissatAurora over Ilulissat
Questions

Common questions about aurora in Ilulissat

Why is the Ilulissat Icefjord good for aurora photography?
The icefjord combines two things that are hard to find together: exceptional darkness and a dramatic foreground at eye level. Icebergs calved from Sermeq Kujalleq - one of the fastest-moving glaciers on earth - stack up at the fjord mouth and reach heights of 80-100 m. At night, under a clear sky, the aurora reflects in the dark water between the bergs. The UNESCO viewpoint and Sermermiut ruins are both in Bortle Class 1 sky with no horizon obstruction to the south and southwest.
What Kp is needed from Ilulissat?
Kp 1. Ilulissat sits at 72°N magnetic latitude, inside the auroral oval. The Kp index - a global measure of geomagnetic activity on a scale from 0 (quiet) to 9 (extreme storm) - needs to reach only 1 for aurora to be active overhead. This means aurora is possible on quiet nights throughout the season. During Kp 3 or above, the aurora is bright enough to photograph easily and visible to the naked eye even through thin cloud.
How do I get to Ilulissat from Nuuk?
Air Greenland operates scheduled flights between Nuuk and Ilulissat, typically 50 minutes. Flights run several times per week and the connection is the standard route for visitors. Book well in advance for October to February - the peak aurora and polar night period. There is no road or ferry connection between Nuuk and Ilulissat; flying is the only option. Ilulissat can also be reached on some summer cruise routes, but these do not coincide with aurora season.
When is iceberg season at Ilulissat?
Icebergs are present at the fjord mouth year-round - the Sermeq Kujalleq glacier calves continuously. The volume and size of bergs at the fjord rim varies seasonally, with large accumulations visible in spring and autumn as sea ice conditions change. For aurora season (September to April), icebergs are reliably present as foreground. In winter, sea ice sometimes forms between the bergs, creating a white platform that reflects aurora overhead.
How does Ilulissat compare to Kangerlussuaq for aurora?
Ilulissat has the better landscape; Kangerlussuaq has the better sky. Kangerlussuaq sits in a rain shadow and regularly achieves 300+ clear-sky hours per month in winter. Ilulissat, on the open coast of Disko Bay, is subject to Atlantic weather systems and has a higher cloud frequency. If clear nights are your priority, Kangerlussuaq is the stronger choice. If the iceberg foreground matters - and it is genuinely distinctive - Ilulissat is worth the cloud risk.
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