Aurora Borealis in Bootle
United Kingdom · 53.47°, -3.02° · geomagnetic 55.7° · needs Kp 7
Tonight's aurora forecast for Bootle
10%
Peak chance of a visible display tonight, from the same model the Revon app runs. Bootle 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 Bootle
The aurora forecast uses a Kp 7 threshold. This is the minimum geomagnetic activity level required for a chance to see the aurora from Bootle.
At 55.7° geomagnetic latitude, Bootle is not ideally located for aurora viewing. Viable aurora nights are infrequent, averaging about 2.7 per year.
The record span for these observations is from April 2, 2016, to March 30, 2026.
The best months for aurora viewing in Bootle are September, August, and November. These months offer a good balance of darkness and potential aurora activity.
However, full darkness is not available during May, June, and July. These months are not suitable for aurora observation due to extended daylight hours.
Bootle experiences a Bortle 7 sky, indicating significant light pollution. This level of artificial light can obscure fainter aurora displays.
Areas with darker skies, such as Bortle 4, are located approximately 49 km west, and Bortle 5 skies are about 32 km west.
Potential viewing locations with clearer horizons include Valley Park to the east-north-east, Melling Mount to the east-north-east, and Cabin Hill National Nature Reserve to the north-north-west.
Valley Park is situated 8.3 km east-north-east of Bootle.
Melling Mount, a hill, is located 8.7 km east-north-east of Bootle.
Cabin Hill National Nature Reserve is 9.0 km north-north-west of Bootle. Formby Beach and Formby Point are also to the north-north-west, at distances of 12.2 km and 12.4 km respectively.
There have been 226 verified aurora reports within 300 km of Bootle between January 1, 2015, and December 31, 2016.
The data indicates an average of 2.7 viable aurora nights per year for Bootle.
Notable qualifying nights in the recent record span 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 · Revon location dataset · 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 Bootle 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 Bootle.