Aurora Borealis in Myyrmäki

Finland · 60.27°, 24.85° · geomagnetic 57.8° · needs Kp 7

Tonight's aurora forecast for Myyrmäki

28%

Peak chance of a visible display tonight, from the same model the Revon app runs. Myyrmäki 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.

Tonight Tue 08 Sep
28%
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Get the full 30-night forecast in Revon

Updated 2026-09-08 10:35 UTC

Local aurora guide for Myyrmäki

Myyrmäki is at 57.8° geomagnetic latitude. Auroras are typically visible at this latitude when the Kp index reaches 7.

On average, there are 2.3 nights per year in Myyrmäki where conditions are suitable for aurora viewing.

The historical record spans from April 2, 2016, to March 30, 2026.

The best months for aurora viewing in Myyrmäki are September, November, and March.

During May, June, July, and August, there is insufficient darkness for aurora viewing.

Myyrmäki has a Bortle scale rating of 8, indicating significant light pollution.

Darker skies, rated Bortle 4, can be found 58 km east-south-east near Porvoo.

Darker skies, rated Bortle 5, can be found 42 km north-west near Vihti.

Hermaskärinkallio is a hill located 3.0 km north-west of Myyrmäki.

Tyttömäki is a hill located 3.7 km north-north-west of Myyrmäki.

Odilampi is a lake located 5.8 km north-west of Myyrmäki.

There are 40 verified aurora reports within 300 km of Myyrmäki between January 1, 2015, and December 31, 2016.

Notable aurora events in the historical record include nights with Kp values of 7.0, 7.67, 8.67, and 7.33.

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 Myyrmäki 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 Myyrmäki.