G2Peak 17 May 2025 at 00:00 UTC
Northern Lights on 17 May 2025 (Kp 6.3): Where They Were Visible
Kp reached 6.3. At that level the edge of the auroral oval reaches about 53.8° magnetic latitude, so the aurora could be seen low on the horizon down to roughly 49.3°. Activity stayed at storm level (Kp 5 or more) for 12 hours.
Kp 0–3 Kp 4 Kp 5–6 (G1–G2) Kp 7+ (G3+) Times in UTC; faded bars are forecasts.
Three-hourly Kp from GFZ, one day either side of the storm.
Where the aurora could be seen
4,433 towns on our list had enough activity while it was dark there. Cloud cover is not included.
| Country | Places | Examples | Furthest from the pole |
|---|---|---|---|
| United States | 1,948 | Boston, Detroit, Milwaukee, Minneapolis | Pittsburgh |
| Canada | 918 | Toronto, Montreal, Calgary, Ottawa | Yarmouth |
| United Kingdom | 852 | Glasgow, Manchester, Sheffield, Leeds | Nottingham |
| Denmark | 249 | Copenhagen, Aarhus, Odense, Aalborg | Alholm |
| Germany | 229 | Hamburg, Bremen, Kiel, Lübeck | Bremen |
| Ireland | 120 | Dublin, Limerick, Galway, Tallaght | Kilkenny |
| Poland | 55 | Szczecin, Bydgoszcz, Koszalin, Grudziądz | Bydgoszcz |
| Sweden | 41 | Malmö, Helsingborg, Lund, Landskrona | Trelleborg |
| Netherlands | 8 | Groningen, Leeuwarden, Drachten, Sneek | Drachten |
| New Zealand | 7 | Invercargill, Gore, Papatowai, Balclutha | Gore |
| Australia | 5 | Hobart, Bellerive, Margate, Bruny Island (Alonnah) | Hobart |
| Norway | 1 | Farsund | Farsund |
Only in photos
4,044 more towns could have caught a faint red or green glow low on the horizon with a phone or camera.
- HungaryBudapest, Debrecen, Szeged
- CroatiaZagreb, Rijeka, Osijek
- FranceLyon, Nantes, Bordeaux
- BelgiumBrussels, Antwerp, Ghent
- SwitzerlandZürich, Geneva, Basel
- SloveniaLjubljana, Maribor, Celje
- ItalyMilan, Torino, Genoa
- AustriaVienna, Graz, Linz
- CzechiaLiberec, Hradec Králové, Ústí nad Labem
- SlovakiaBratislava, Petržalka, Nitra
- LiechtensteinSchaan, Triesen, Balzers
- ChinaBei'an, Tacheng, Zalantun
- ArgentinaUshuaia, Río Grande, Tolhuin
- ChilePunta Arenas, Porvenir, Puerto Williams
- South AfricaCape Town, Gqeberha
- KazakhstanKokshetau
- SerbiaBelgrade
- Falkland IslandsStanley
Whether the aurora was actually seen also depended on the weather. Use this as a guide to where it was possible.