Aurora Borealis in Old Swan
United Kingdom · 53.41°, -2.91° · geomagnetic 55.7° · needs Kp 7
Tonight's aurora forecast for Old Swan
9%
Peak chance of a visible display tonight, from the same model the Revon app runs. Old Swan needs Kp 7 to see anything at all, and tonight the forecast peaks at Kp 4.9. Short of the threshold, which is what most nights look like here.
Get the full 30-night forecast in Revon
Updated 2026-09-08 10:36 UTC
Local aurora guide for Old Swan
Old Swan is at a geomagnetic latitude of 55.7°.
Auroras visible at this latitude typically require a Kp of 7.
On average, there are 2.7 nights per year with conditions suitable for aurora viewing.
The best months for aurora viewing in Old Swan are September, August, and November.
However, during May, June, and July, there is no full darkness, which may impact viewing opportunities.
Old Swan experiences a Bortle 7 sky, indicating significant light pollution.
Areas with darker skies, such as Bortle 4, are located 57 km to the west, and Bortle 5 skies are 40 km west-north-west.
Local terrain includes Stanley Park to the west-north-west, Walton Hall Park to the north-west, Knowsley Park and Hag Brow to the east-north-east, and the historical North Wall Light to the west-north-west.
Nearby natural and historical features that may offer viewing opportunities include Stanley Park, a park located 4.3 km west-north-west of Old Swan.
Walton Hall Park, another park, is situated 4.8 km north-west.
For elevated views, Knowsley Park and Hag Brow are hills located 6.7 km and 7.2 km east-north-east respectively. The historical North Wall Light, a lighthouse, is 8.1 km west-north-west.
Between 2016 and 2026, there were an average of 2.7 nights per year suitable for aurora viewing.
The historical record shows qualifying nights, such as 2026-03-20 at Kp 7.0, 2026-01-20 at Kp 7.67, and 2026-01-19 at Kp 8.67.
Further qualifying nights include 2025-11-12 at Kp 7.33 and 2025-11-11 at 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 Old Swan forecast and pushes an alert when the odds for tonight clear your threshold — no checking, no guessing.
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