Occitanie

Northern lights in Perpignan tonight

Real-time aurora forecast for Perpignan (Occitanie) - latitude 42.69° N, estimated Kp threshold 9.

Kp index

4.3

unsettled

Hemispheric power

North21GW

South22GW

Source: app.pulsar-si.com

Tonight in Perpignan

Very unlikely

Based on Kp 4.3 and Perpignan's latitude.

Seeing the northern lights from Perpignan

Perpignan, at 42.7° N, is the southernmost major continental French city (excluding Corsica). Seeing an aurora here is exceptional: a Kp ≥ 8.5 is needed. The May 2024 storm nonetheless offered a unique show, with red auroras visible from the Côte Vermeille and the first Pyrenean foothills. The Roussillon plain provides a clear northern horizon, bordered by the Corbières.

Observation conditions in Perpignan

Perpignan is rated Bortle 6. The Corbières, to the north, drop to Bortle 3-4 within just 30 km. The Pyrenees (Pic du Canigou, 2780 m, 30 km away) offer high-mountain skies (Bortle 2). The very frequent tramontane wind guarantees clear and transparent nights in winter. In summer, residual heat and Mediterranean humidity make observation trickier.

Recent auroras from Perpignan

10-11 May 2024 (Kp 9): red aurora visible from the Canigou and the Côte Vermeille, the most southerly report in continental France. Images published by L'Indépendant. Aside from this historic event, no significant aurora reports from Perpignan.

What Perpignan asks of the sky

Geomagnetic latitude

44.3°

38 of 40

Kp index required

Kp 9

0 / 12 months

Dark nights per year

365

365 / 365

Perpignan ranks 38 of the 40 cities we track, at 44.3° geomagnetic. Marseille sits 0.2° higher , Toulon follows at 44.3°.

The threshold to clear here is Kp 9. It was not reached once in the last twelve months; since 1994 our archive holds only 4 such nights. In Montpellier, Kp 8 is already enough.

Perpignan keeps full astronomical night all 365 nights of the year, which every city north of the Loire loses for part of the summer.

How to read the Kp index →

Local conditions

Light pollution

Bortle 8 of 9

SQM 18.26 mag/arcsec²

Nearest darker sky

Moulin à Vent

2 km · Bortle 2

Kp forecast, next 3 days

Source: app.pulsar-si.com. For an aurora to be visible from Perpignan, Kp must exceed 9.

Wed 19 Aug

1.1

Expected max Kp

Thu 20 Aug

1.5

Expected max Kp

Fri 21 Aug

1.7

Expected max Kp

Frequently asked questions

Can you see the northern lights from Perpignan?

Yes, but rarely. Typically a Kp index of ≥ 9 is needed for the aurora to become visible from Perpignan (latitude 42.7° N). Major geomagnetic storms (Kp 8-9) that reach this latitude happen only a handful of times per 11-year solar cycle.

What Kp index is needed to see auroras from Perpignan?

The approximate Kp threshold for Perpignan is 9. Below that, auroras stay confined to high latitudes (Norway, Scotland). Above it, they gradually extend southward. A Kp of 10 gives a fair chance, 11 a strong one.

When is the best time to watch from Perpignan?

Auroras are a nighttime phenomenon, best observed between roughly 10 PM and 2 AM local time, when the geomagnetic pole is tilted towards the Earth's night side. In practice, peaks depend on when a coronal mass ejection arrives - activity can spike at any hour.

Where around Perpignan offers better conditions?

Move at least 40-60 km north of Perpignan to escape urban light pollution and gain 1-2 magnitudes of limiting magnitude.

Nearby cities

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