Aurora Borealis in Pontypridd
United Kingdom · 51.60°, -3.34° · geomagnetic 54.0° · needs Kp 7
Tonight's aurora forecast for Pontypridd
2%
Peak chance of a visible display tonight, from the same model the Revon app runs. Pontypridd 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.
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Updated 2026-09-08 10:35 UTC
Local aurora guide for Pontypridd
Pontypridd is located at 54.0° geomagnetic latitude. Auroras are typically visible at this latitude during periods of high geomagnetic activity, specifically when the Kp index reaches 7 or higher.
On average, there are approximately 2.7 nights per year in Pontypridd where conditions are suitable for aurora viewing. These opportunities are spread across the period from April 2, 2016, to March 30, 2026.
The best months for aurora viewing in Pontypridd are September, August, and November. These months offer a good balance of darkness and potential aurora activity.
During June and July, the region experiences periods without full darkness, which can significantly reduce the visibility of auroras.
Pontypridd has a Bortle scale rating of 7, indicating significant light pollution. However, darker skies can be found nearby.
Areas with Bortle 4 conditions are located 33 km west-north-west near Neath Port Talbot, and Bortle 5 conditions are found 18 km north-north-east near Blaenau Gwent.
Several elevated locations offer potential viewing spots with varied horizons, including Twyn y glog (hill, 3.8 km NW), Craig-Evan-Leyshon Common (hill, 4.2 km NNE), Mynydd Merthyr (ridge, 12.7 km NNW), Craig y Llyn (cliff, 21.2 km NW), and Cefnmawr (mountain, 23.1 km WNW).
Potential viewing locations near Pontypridd include elevated terrain such as Twyn y glog, a hill located 3.8 km north-north-west, and Craig-Evan-Leyshon Common, a hill 4.2 km north-north-east.
Further afield, Mynydd Merthyr offers a ridge 12.7 km north-north-west, while Craig y Llyn is a cliff situated 21.2 km north-west. Cefnmawr, a mountain, lies 23.1 km west-north-west of Pontypridd.
Between January 1, 2015, and December 31, 2016, there were 53 verified aurora reports within a 300 km radius of Pontypridd.
Notable qualifying nights with high Kp values recorded between 2016 and 2026 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 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
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