Aurora Borealis in Ayr
United Kingdom · 55.46°, -4.63° · geomagnetic 57.9° · needs Kp 7
Tonight's aurora forecast for Ayr
46%
Peak chance of a visible display tonight, from the same model the Revon app runs. Ayr 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 Ayr
Ayr is located at 57.9° geomagnetic latitude. Auroras are typically visible at this latitude when the Kp index reaches 7.
On average, there are 2.5 nights per year in Ayr where conditions are suitable for aurora viewing.
Historical data from 2016 to 2026 indicates the range of conditions under which auroras have been observed.
The best months for aurora viewing in Ayr are September, November, and August.
During May, June, and July, there is no full darkness, which can impact viewing conditions.
Ayr experiences a Bortle 7 light pollution level. Darker sky sites, such as Bortle 4 conditions, are located 33 km south-west near Buteshire and Bortle 5 conditions are 25 km south-south-west near South Ayrshire.
The horizon in Ayr is characterized by Ayr Bay to the north-north-west, South Bay to the north-north-west, Troon Beach to the north, Raith Hill to the east, and Lady Isle to the north-west.
Potential viewing locations near Ayr include Ayr Bay, South Bay, and Troon Beach along the coast. Inland, Raith Hill offers elevated terrain.
Lady Isle, an island located to the north-west, is also noted in the vicinity.
Between 2016 and 2026, there were 2.5 nights per year suitable for aurora viewing in Ayr.
Records indicate qualifying nights 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)
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