Aurora Borealis in Aalborg

Denmark · 57.05°, 9.92° · geomagnetic 57.1° · needs Kp 7

Tonight's aurora forecast for Aalborg

25%

Peak chance of a visible display tonight, from the same model the Revon app runs. Aalborg 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
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Get the full 30-night forecast in Revon

Updated 2026-09-08 10:35 UTC

Local aurora guide for Aalborg

Aalborg is located at 57.1° geomagnetic latitude. Auroras are typically visible at this latitude when the Kp index reaches 7.

On average, there are about 2.5 nights per year suitable for aurora viewing in this region. Sightings are possible between 2016 and 2026.

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

However, from May to July, there is no full darkness due to the high latitude, which can significantly reduce viewing opportunities during these summer months.

Aalborg experiences a Bortle 5 sky, indicating moderate light pollution. Areas with Bortle 4 conditions, offering darker skies, can be found approximately 21 km east-south-east near Aalborg Municipality.

Closer to the city, about 7 km south-east, there are also Bortle 5 areas.

Notable terrain features around Aalborg include Lindholm Høje (hill, 3.3 km north), Egholm (island, 5.1 km west-north-west), Fruens Holm (island, 8.7 km west-north-west), Kytterne (headland, 9.4 km north-west), and Langesbjerg (hill, 11.4 km west).

There have been 10 verified aurora reports within 300 km of Aalborg between 2015 and 2016.

Based on historical Kp data, qualifying nights for aurora viewing occurred on March 20, 2026 (Kp 7.0), January 20, 2026 (Kp 7.67), January 19, 2026 (Kp 8.67), November 12, 2025 (Kp 7.33), and November 11, 2025 (Kp 8.67).

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

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Nearby towns

Forecasts for places within reach of Aalborg.