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G2Peak 10 December 2025 at 21:00 UTC

Northern Lights on 10 December 2025 (Kp 6): Where They Were Visible

Kp reached 6. At that level the edge of the auroral oval reaches about 54.5° magnetic latitude, so the aurora could be seen low on the horizon down to roughly 50.0°. Activity stayed at storm level (Kp 5 or more) for 9 hours.

03579 G1 G3 Tue 9 Dec 21:00 UTC · Kp 1.00 Wed 10 Dec 00:00 UTC · Kp 2.00 Wed 10 Dec 03:00 UTC · Kp 2.33 Wed 10 Dec 06:00 UTC · Kp 3.33 Wed 10 Dec 09:00 UTC · Kp 1.33 Wed 10 Dec 12:00 UTC · Kp 2.00 Wed 10 Dec 15:00 UTC · Kp 2.33 Wed 10 Dec 18:00 UTC · Kp 3.00 Wed 10 Dec 21:00 UTC · Kp 6.00 Thu 11 Dec 00:00 UTC · Kp 6.00 Thu 11 Dec 03:00 UTC · Kp 4.67 Thu 11 Dec 06:00 UTC · Kp 2.33 Thu 11 Dec 09:00 UTC · Kp 2.00 Thu 11 Dec 12:00 UTC · Kp 2.00 Thu 11 Dec 15:00 UTC · Kp 3.67 Thu 11 Dec 18:00 UTC · Kp 4.67 Thu 11 Dec 21:00 UTC · Kp 3.00 Fri 12 Dec 00:00 UTC · Kp 4.00 Fri 12 Dec 03:00 UTC · Kp 4.00 Wed 10 DecThu 11 DecFri 12 Dec
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

2,495 towns on our list had enough activity while it was dark there. Cloud cover is not included.

CountryPlacesExamplesFurthest from the pole
United States 1,021 Chicago, Seattle, Portland, Detroit Peoria
Canada 407 Toronto, Montreal, Calgary, Ottawa Eastern Passage
United Kingdom 345 Glasgow, Manchester, Leeds, Edinburgh Manchester
Sweden 148 Stockholm, Gothenburg, Malmö, Uppsala Trelleborg
Finland 123 Helsinki, Espoon keskus, Tampere urban area, Vantaa Raseborg
Denmark 94 Copenhagen, Aarhus, Odense, Aalborg Nykøbing Falster
Norway 77 Oslo, Bergen, Trondheim, Stavanger Mandal
Poland 64 Gdańsk, Gdynia, Olsztyn, Elbląg Chojnice
Germany 56 Kiel, Lübeck, Rostock, Flensburg Norderstedt
Latvia 39 Riga, Daugavpils, Liepāja, Jelgava Daugavpils
Ireland 37 Dublin, Galway, Tallaght, Drogheda Dublin
Lithuania 31 Vilnius, Kaunas, Klaipeda City Municipality, Šiauliai Druskininkai
Estonia 21 Tallinn, Tartu, Narva, Pärnu Võru
Iceland 18 Reykjavík, Kópavogur, Hafnarfjörður, Reykjanesbær Vík í Mýrdal
Greenland 6 Nuuk, Sisimiut, Ilulissat, Qaqortoq Qaqortoq
Faroe Islands 4 Tórshavn, Klaksvík, Fuglafjørður, Miðvágur Tórshavn
Kazakhstan 3 Kostanay, Petropavl, Kokshetau Kostanay
Svalbard & Jan Mayen 1 Longyearbyen Longyearbyen
Based on each place's Kp threshold (terrain included) and the Sun's position during each 3-hour Kp block.

Only in photos

2,833 more towns could have caught a faint red or green glow low on the horizon with a phone or camera.

Whether the aurora was actually seen also depended on the weather. Use this as a guide to where it was possible.

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