Northern Lights in Spain: how and where to see them this October 2025 (complete guide)

October 2025 brings a historic opportunity for sky lovers: the real possibility of observing the Northern Lights in several regions of Spain, a phenomenon normally only visible at very high latitudes. We explain how and why it happens, the best dates, prime locations, and tips for enjoying this astronomical spectacle.

Why is it possible to see the Northern Lights in Spain this October?

Thanks to an intense geomagnetic storm expected between October 20 and 29, solar particles will interact with the atmosphere, causing auroras. Similar episodes were already observed in May 2024 in Cádiz, Galicia, and Zaragoza, surprising experts.

Key dates and locations to observe the Northern Lights in Spain
- Galicia: coast and rural areas with low light pollution
- Cadiz: especially the coastal area
- Aragon (Zaragoza): open horizons to the north
- Catalonia: northeastern coastal sector

Tips for seeing the Northern Lights in October 2025
- Check real-time alerts (SpaceWeatherLive, NOAA Auroras)
- Look for places away from the city and artificial lights
- Wear warm clothing and wait at least between 10:00 PM and 2:00 AM
- Use apps like "Aurora Forecast" to track activity
- Have your camera or smartphone ready, set high ISO and long exposure.

Scientific curiosities
Auroras occur when the solar wind strikes and ionizes Earth's atmosphere, causing flashes of greenish, reddish, or violet light. Experts recommend protecting your eyes by avoiding prolonged direct observation, although the phenomenon is safe to photograph.

Participate!
If you manage to photograph an aurora borealis, share your image on social media and tag @EclipSafe. Your photo could inspire thousands of enthusiasts!