Aurora Borealis in Ammanford
United Kingdom · 51.79°, -3.99° · geomagnetic 54.3° · needs Kp 7
Tonight's aurora forecast for Ammanford
2%
Peak chance of a visible display tonight, from the same model the Revon app runs. Ammanford 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 Ammanford
Ammanford is at 54.3° geomagnetic latitude. Auroras are typically visible at this latitude during geomagnetic storms of Kp 7 or higher.
Based on historical data, there are approximately 2.7 nights per year when conditions might be suitable for viewing auroras in this region.
The best months for aurora viewing in Ammanford are September, August, and November. These months offer a good balance of darkness and potential aurora activity.
During June and July, Ammanford experiences periods without full darkness, which can impact aurora visibility.
Ammanford is situated in an area with a Bortle 4 rating, indicating a relatively dark sky. Areas with Bortle 4 conditions are found 5 km south near Swansea.
The terrain around Ammanford includes hills such as Wern Ty-isaf and Pen Pant-y-llyn to the north, and mountains like Trichrug to the north-east. The National Botanic Garden of Wales is to the west-north-west, and Ynys Isaf is to the west.
To the north of Ammanford, the landscape includes hills like Wern Ty-isaf and Pen Pant-y-llyn.
Further afield, the National Botanic Garden of Wales lies to the west-north-west, and the island of Ynys Isaf is situated to the west.
The mountain Trichrug is located to the north-east of Ammanford.
Records indicate approximately 2.7 nights per year are suitable for aurora viewing in the Ammanford region, based on data spanning from April 2016 to March 2026.
Aurorasaurus has documented 55 verified sightings within 300 km of Ammanford between January 2015 and December 2016.
Notable qualifying nights in the historical record include 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 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 Ammanford forecast and pushes an alert when the odds for tonight clear your threshold — no checking, no guessing.
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