Aurora Borealis in Blanchardstown

Ireland · 53.39°, -6.38° · geomagnetic 56.2° · needs Kp 7

Tonight's aurora forecast for Blanchardstown

16%

Peak chance of a visible display tonight, from the same model the Revon app runs. Blanchardstown 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.

Tonight Tue 08 Sep
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Get the full 30-night forecast in Revon

Updated 2026-09-08 10:36 UTC

Local aurora guide for Blanchardstown

Blanchardstown is located at 56.2° geomagnetic latitude. Auroras visible here typically require a Kp of 7 or higher.

On average, there are about 2.7 nights per year suitable for aurora viewing in this region. The historical record spans from April 2, 2016, to March 30, 2026.

The best months for aurora viewing in Blanchardstown are September, August, and November. These months offer a good balance of darkness and potential aurora activity.

However, from May to July, the region experiences periods without full darkness, which can impact viewing opportunities.

Blanchardstown currently has a Bortle scale rating of 6, indicating moderate light pollution. Areas with Bortle 4 conditions, offering darker skies, can be found approximately 28 km to the east-north-east.

Nearby locations with potentially clearer horizons include Poppintree Park to the east, Ward River Valley Park to the north-east, Feltrim Hill to the east-north-east, Prospect Point to the north-east, and Malahide Bay to the east-north-east.

Poppintree Park is a park located 6.3 km east of Blanchardstown.

Ward River Valley Park is a park situated 11.9 km north-east of Blanchardstown.

Feltrim Hill is a hill located 13.0 km east-north-east of Blanchardstown. Prospect Point is a headland 14.9 km north-east of Blanchardstown. Malahide Bay is a bay located 15.7 km east-north-east of Blanchardstown.

Historical records show approximately 2.7 viable aurora nights per year in the Blanchardstown region, based on data spanning from April 2, 2016, to March 30, 2026.

Verified reports indicate 125 sightings within a 300 km radius between January 1, 2015, and December 31, 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 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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Nearby towns

Forecasts for places within reach of Blanchardstown.