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G1Peak 12 December 2025 at 18:00 UTC

Northern Lights on 12 December 2025 (Kp 5): Where They Were Visible

Kp reached 5. At that level the edge of the auroral oval reaches about 56.5° magnetic latitude, so the aurora could be seen low on the horizon down to roughly 52.0°. Activity stayed at storm level (Kp 5 or more) for 9 hours.

03579 G1 G3 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 Fri 12 Dec 06:00 UTC · Kp 3.00 Fri 12 Dec 09:00 UTC · Kp 3.33 Fri 12 Dec 12:00 UTC · Kp 3.00 Fri 12 Dec 15:00 UTC · Kp 4.00 Fri 12 Dec 18:00 UTC · Kp 5.00 Fri 12 Dec 21:00 UTC · Kp 4.67 Sat 13 Dec 00:00 UTC · Kp 4.67 Sat 13 Dec 03:00 UTC · Kp 2.33 Sat 13 Dec 06:00 UTC · Kp 2.00 Sat 13 Dec 09:00 UTC · Kp 2.33 Sat 13 Dec 12:00 UTC · Kp 2.33 Sat 13 Dec 15:00 UTC · Kp 2.33 Sat 13 Dec 18:00 UTC · Kp 3.33 Sat 13 Dec 21:00 UTC · Kp 2.33 Sun 14 Dec 00:00 UTC · Kp 2.67 Fri 12 DecSat 13 DecSun 14 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

1,061 towns on our list had enough activity while it was dark there. Cloud cover is not included.

CountryPlacesExamplesFurthest from the pole
Canada 265 Montreal, Calgary, Ottawa, Edmonton Saanich
United States 165 Minneapolis, Saint Paul, Anchorage, Spokane Billings
Sweden 145 Stockholm, Gothenburg, Malmö, Uppsala Oxie
Finland 123 Helsinki, Espoon keskus, Tampere urban area, Vantaa Raseborg
United Kingdom 103 Glasgow, Edinburgh, Aberdeen, Dundee Ashington
Norway 77 Oslo, Bergen, Trondheim, Stavanger Mandal
Denmark 75 Copenhagen, Aarhus, Aalborg, Frederiksberg Esbjerg
Latvia 39 Riga, Daugavpils, Liepāja, Jelgava Daugavpils
Estonia 21 Tallinn, Tartu, Narva, Pärnu Võru
Iceland 18 Reykjavík, Kópavogur, Hafnarfjörður, Reykjanesbær Vík í Mýrdal
Lithuania 18 Klaipeda City Municipality, Šiauliai, Panevėžys, Mažeikiai Utena
Greenland 6 Nuuk, Sisimiut, Ilulissat, Qaqortoq Qaqortoq
Faroe Islands 4 Tórshavn, Klaksvík, Fuglafjørður, Miðvágur Tórshavn
Ireland 1 Letterkenny Letterkenny
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

1,688 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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