Aurora Borealis in Farum

Denmark · 55.81°, 12.36° · geomagnetic 55.5° · needs Kp 7

Tonight's aurora forecast for Farum

6%

Peak chance of a visible display tonight, from the same model the Revon app runs. Farum needs Kp 7 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
6%
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Get the full 30-night forecast in Revon

Updated 2026-09-08 10:35 UTC

Local aurora guide for Farum

Farum is located at 55.5° geomagnetic latitude. Auroras are typically visible at this latitude during intense geomagnetic storms, which are often associated with Kp 7 or higher.

On average, there are about 2.5 nights per year with conditions suitable for aurora viewing in this region. This suggests that patience and persistence are key for observers.

The best months for aurora viewing in the Capital Region are September, November, and August. These months offer a good balance of darkness and potential aurora activity.

However, it is important to note that during May, June, and July, there is insufficient darkness for aurora viewing due to the high angle of the sun.

Farum experiences a Bortle 7 sky, indicating significant light pollution. For darker skies, areas like Gribskov Municipality, 22 km north-north-west, offer Bortle 5 conditions, and Halsnæs Municipality, 31 km north-west, provides Bortle 4 skies.

The local terrain includes Bastrup Sø, a lake 5.9 km west, and hills like Maglebjerg, 8.1 km east-north-east, and Sandbjerg, 8.5 km east-north-east. The park Jægersborg Hegn is located 12.5 km east.

Geographic features near Farum include Bastrup Sø, a lake situated 5.9 km to the west. Further east, the hill Maglebjerg is located 8.1 km away, and Sandbjerg hill is 8.5 km east-north-east.

The park Jægersborg Hegn lies 12.5 km east of Farum. Sjælsø, a lake, is located 8.2 km north-east.

Between 2015 and 2016, there were 6 verified aurora reports within a 300 km radius of Farum. The period of record for aurora viability in this region spans from April 2, 2016, to March 30, 2026.

Notable high-activity nights recorded include November 11, 2025 (Kp 8.67), November 12, 2025 (Kp 7.33), January 19, 2026 (Kp 8.67), January 20, 2026 (Kp 7.67), and March 20, 2026 (Kp 7.0).

Sources: 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 Farum 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 Farum.