Aurora Borealis in Kallio
Finland · 60.18°, 24.95° · geomagnetic 57.7° · needs Kp 7
Tonight's aurora forecast for Kallio
27%
Peak chance of a visible display tonight, from the same model the Revon app runs. Kallio 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 Kallio
Kallio is located at 57.7° geomagnetic latitude. Auroras visible at this latitude typically require a Kp of 7 or higher.
Based on historical data from 2016 to 2026, there are approximately 2.3 nights per year with conditions suitable for aurora viewing.
The best months for aurora viewing in Kallio are September, November, and March. These months offer a good balance of darkness and potential aurora activity.
However, from May through August, the region experiences periods without full darkness, which can impact viewing opportunities.
Kallio experiences a Bortle 8 sky, indicating significant light pollution. For darker skies, Bortle 4 conditions can be found approximately 49 km east-south-east near Porvoo.
Areas with Bortle 5 skies are located about 37 km east-south-east near Porvoo.
Nearby features include the island of Skuggan (3.1 km east-north-east), the island of Kokkoluoto (3.2 km north-east), and the bay of Meilahti (3.3 km west).
Geographic features near Kallio include the island of Skuggan, located 3.1 km east-north-east.
The island of Kokkoluoto is situated 3.2 km north-east of Kallio.
The bay of Meilahti is 3.3 km west, and Gammelstadsfjärden bay is 3.4 km north-east. The park Meilahdenpuisto is 3.5 km west-north-west.
Between 2016 and 2026, there were an average of 2.3 nights per year suitable for aurora viewing.
Historical records show qualifying nights such as March 20, 2026 (Kp 7.0), January 20, 2026 (Kp 7.67), and January 19, 2026 (Kp 8.67).
Other notable qualifying nights include November 12, 2025 (Kp 7.33) and November 11, 2025 (Kp 8.67).
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)
Know when it is worth going outside
Revon watches the Kallio forecast and pushes an alert when the odds for tonight clear your threshold — no checking, no guessing.
Nearby towns
Forecasts for places within reach of Kallio.