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G1Peak 21 March 2017 at 18:00 UTC

Northern Lights on 21 March 2017 (Kp 5.3): Where They Were Visible

Kp reached 5.3. At that level the edge of the auroral oval reaches about 55.8° magnetic latitude, so the aurora could be seen low on the horizon down to roughly 51.3°. Activity stayed at storm level (Kp 5 or more) for 6 hours.

03579 G1 G3 Mon 20 Mar 15:00 UTC · Kp 0.67 Mon 20 Mar 18:00 UTC · Kp 0.33 Mon 20 Mar 21:00 UTC · Kp 0.00 Tue 21 Mar 00:00 UTC · Kp 1.00 Tue 21 Mar 03:00 UTC · Kp 3.33 Tue 21 Mar 06:00 UTC · Kp 4.00 Tue 21 Mar 09:00 UTC · Kp 2.33 Tue 21 Mar 12:00 UTC · Kp 3.00 Tue 21 Mar 15:00 UTC · Kp 4.67 Tue 21 Mar 18:00 UTC · Kp 5.33 Tue 21 Mar 21:00 UTC · Kp 4.00 Wed 22 Mar 00:00 UTC · Kp 4.00 Wed 22 Mar 03:00 UTC · Kp 3.67 Wed 22 Mar 06:00 UTC · Kp 2.67 Wed 22 Mar 09:00 UTC · Kp 3.33 Wed 22 Mar 12:00 UTC · Kp 3.67 Wed 22 Mar 15:00 UTC · Kp 4.00 Wed 22 Mar 18:00 UTC · Kp 4.33 Tue 21 MarWed 22 Mar
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

2,069 towns on our list had enough activity while it was dark there. Cloud cover is not included.

CountryPlacesExamplesFurthest from the pole
Sweden 474 Stockholm, Gothenburg, Malmö, Uppsala Trelleborg
Finland 454 Helsinki, Espoon keskus, Tampere urban area, Vantaa Hanko
United Kingdom 332 Glasgow, Edinburgh, Newcastle upon Tyne, Aberdeen Middlesbrough
Norway 276 Oslo, Bergen, Trondheim, Stavanger Mandal
Denmark 255 Copenhagen, Aarhus, Odense, Aalborg Nakskov
Latvia 76 Riga, Daugavpils, Liepāja, Jelgava Daugavpils
Estonia 65 Tallinn, Tartu, Narva, Pärnu Võru
Lithuania 54 Kaunas, Klaipeda City Municipality, Šiauliai, Panevėžys Garliava
Iceland 37 Reykjavík, Kópavogur, Hafnarfjörður, Reykjanesbær Vík í Mýrdal
Australia 20 Hobart, Launceston, Devonport, Burnie Smithton
Faroe Islands 11 Tórshavn, Klaksvík, Hoyvík, Argir Argir
New Zealand 7 Invercargill, Gore, Papatowai, Balclutha Gore
Greenland 4 Qaqortoq, Tasiilaq, Narsaq, Nanortalik Nanortalik
Germany 2 Westerland, Glücksburg Glücksburg
Kazakhstan 1 Petropavl Petropavl
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

1,936 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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