Aurora Borealis in Asker

Norway · 59.83°, 10.44° · geomagnetic 59.6° · needs Kp 5

Tonight's aurora forecast for Asker

51%

Peak chance of a visible display tonight, from the same model the Revon app runs. Asker needs Kp 5 to see anything at all, and tonight the forecast peaks at Kp 4.8. Short of the threshold, which is what most nights look like here.

Tonight Tue 08 Sep
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Get the full 30-night forecast in Revon

Updated 2026-09-08 10:35 UTC

Local aurora guide for Asker

Asker is located at 59.6° geomagnetic latitude. Auroras are typically visible at this latitude when the Kp index reaches 5.

On average, there are 20.9 nights per year with conditions suitable for aurora viewing. The historical record spans from 2016 to 2026.

The best months for aurora viewing in Asker are September, October, and March. These months offer a good balance of darkness and aurora activity.

However, from May through August, the region experiences periods without full darkness, which can impact viewing opportunities.

Asker experiences Bortle 8 light pollution. Nearby areas offer darker skies, with Bortle 4 conditions found 52 km north-north-west near Ringerike, and Bortle 5 conditions 43 km west-north-west near Sigdal.

Local terrain features include beaches and hills. Hvalstrand and Furunesodden are beaches located to the east-north-east, while Holmenskjæret is another beach to the north-east. Skaugumsåsen and Rudsåsen are hills located to the north and west-north-west, respectively.

Near Asker, notable terrain features include Hvalstrand and Furunesodden, both beaches situated to the east-north-east. Holmenskjæret, another beach, is located to the north-east.

Inland, Skaugumsåsen and Rudsåsen are hills found to the north and west-north-west of Asker, respectively.

There have been 246 verified aurora reports within 300 km of Asker between January 1, 2015, and December 31, 2016.

The region has experienced aurora activity on numerous nights. Recent qualifying nights include March 24, 2026 (Kp 5.0), March 23, 2026 (Kp 5.0), March 22, 2026 (Kp 6.67), March 21, 2026 (Kp 6.0), and March 20, 2026 (Kp 7.0).

Sources: Revon location dataset · Revon analysis of NOAA planetary Kp · Solar declination and hour-angle calculation · Falchi 2016 World Atlas of artificial night sky brightness · GeoNames (CC BY 4.0) · Aurorasaurus verified positive reports

Know when it is worth going outside

Revon watches the Asker forecast and pushes an alert when the odds for tonight clear your threshold — no checking, no guessing.

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Nearby towns

Forecasts for places within reach of Asker.