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G3Peak 17 September 2024 at 00:00 UTC

Northern Lights on 17 September 2024 (Kp 7.3): Where They Were Visible

Kp reached 7.3. At that level the edge of the auroral oval reaches about 51.8° magnetic latitude, so the aurora could be seen low on the horizon down to roughly 47.3°. Activity stayed at storm level (Kp 5 or more) for 15 hours.

03579 G1 G3 Mon 16 Sept 00:00 UTC · Kp 3.33 Mon 16 Sept 03:00 UTC · Kp 4.00 Mon 16 Sept 06:00 UTC · Kp 3.67 Mon 16 Sept 09:00 UTC · Kp 3.67 Mon 16 Sept 12:00 UTC · Kp 3.67 Mon 16 Sept 15:00 UTC · Kp 2.33 Mon 16 Sept 18:00 UTC · Kp 1.67 Mon 16 Sept 21:00 UTC · Kp 4.00 Tue 17 Sept 00:00 UTC · Kp 7.33 Tue 17 Sept 03:00 UTC · Kp 7.00 Tue 17 Sept 06:00 UTC · Kp 5.33 Tue 17 Sept 09:00 UTC · Kp 6.33 Tue 17 Sept 12:00 UTC · Kp 5.33 Tue 17 Sept 15:00 UTC · Kp 4.33 Tue 17 Sept 18:00 UTC · Kp 3.33 Tue 17 Sept 21:00 UTC · Kp 4.00 Wed 18 Sept 00:00 UTC · Kp 3.67 Wed 18 Sept 03:00 UTC · Kp 2.00 Wed 18 Sept 06:00 UTC · Kp 1.00 Wed 18 Sept 09:00 UTC · Kp 2.00 Wed 18 Sept 12:00 UTC · Kp 2.00 Mon 16 SeptTue 17 SeptWed 18 Sept
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

3,956 towns on our list had enough activity while it was dark there. Cloud cover is not included.

CountryPlacesExamplesFurthest from the pole
United States 1,654 New York City, Brooklyn, Chicago, Queens Lexington
United Kingdom 657 London, Birmingham, Glasgow, Manchester Basingstoke
Canada 407 Toronto, Montreal, Calgary, Ottawa Eastern Passage
Germany 261 Berlin, Hamburg, Essen, Dortmund Leipzig
Poland 196 Warsaw, Łódź, Poznań, Gdańsk Lublin
Sweden 148 Stockholm, Gothenburg, Malmö, Uppsala Trelleborg
Netherlands 138 Rotterdam, Amsterdam, The Hague, Utrecht Venlo
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
Ireland 55 Dublin, Cork, Limerick, Galway Cork
Latvia 39 Riga, Daugavpils, Liepāja, Jelgava Daugavpils
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
New Zealand 17 Christchurch, Dunedin, Invercargill, Rolleston Rangiora
Australia 7 Hobart, Launceston, Devonport, Burnie Burnie
Greenland 6 Nuuk, Sisimiut, Ilulissat, Qaqortoq Qaqortoq
Faroe Islands 4 Tórshavn, Klaksvík, Fuglafjørður, Miðvágur Tórshavn
Belgium 3 Turnhout, Knokke-Heist, Kapellen Turnhout
Based on each place's Kp threshold (terrain included) and the Sun's position during each 3-hour Kp block.

Only in photos

2,432 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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