Aurora Borealis in Helsinki
Finland · 60.17°, 24.94° · geomagnetic 57.7° · needs Kp 7
Tonight's aurora forecast for Helsinki
26%
Peak chance of a visible display tonight, from the same model the Revon app runs. Helsinki needs Kp 7 to see anything at all, and tonight the forecast peaks at Kp 4.7. Short of the threshold, which is what most nights look like here.
Get the full 30-night forecast in Revon
Updated 2026-09-08 10:35 UTC
Local aurora guide for Helsinki
Helsinki is at 57.7° geomagnetic latitude. Auroras are typically visible at this latitude during intense geomagnetic storms, rated Kp 7 or higher.
On average, there are 2.3 nights per year with conditions suitable for aurora viewing. These opportunities are spread across the period from 2016 to 2026.
The darkest months in Helsinki are September, November, and March. These are the months when aurora viewing is most likely.
From May through August, Helsinki experiences periods without full darkness, which can impact aurora visibility.
Helsinki has a Bortle scale rating of 8, indicating significant light pollution. Areas with darker skies, such as Bortle 4 or 5, are located near Porvoo.
Specific viewpoints in Helsinki include Suomenlinnan kuivatelakan katseluterassi, Malminkartanonhuippu, and Vuosaarenhuippu. Reserves like Kukipaasi and Haminasalmenpaasi are also nearby.
The horizon features include bays like Meilahti, islands such as Lilla Grisen and Seurasaari, and parks like Meilahdenpuisto and Kartanonpuisto.
Consider viewpoints such as Suomenlinnan kuivatelakan katseluterassi, located 3.9 km from Helsinki, and Malminkartanonhuippu, 10.4 km away.
Other viewpoints include Vuosaarenhuippu (14.1 km from Helsinki), Sinisen huvilan kahvila (1.3 km), and Linnunlaulu (1.4 km).
Nearby reserves include Kukipaasi (6.2 km from Helsinki), Haminasalmenpaasi (6.5 km), Korkeasaarenluoto (2.4 km), and Roosinmäen luonnonsuojelualue (13.9 km).
Between 2015 and 2016, 40 verified aurora reports were recorded within 300 km of Helsinki.
Notable aurora events in the historical record include nights with Kp values of 7.0 or higher, such as March 20, 2026, and January 20, 2026.
Sources: Revon analysis of NOAA planetary Kp · Solar declination and hour-angle calculation · Falchi 2016 World Atlas of artificial night sky brightness · OpenStreetMap contributors · GeoNames (CC BY 4.0) · Aurorasaurus verified positive reports
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Nearby towns
Forecasts for places within reach of Helsinki.