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G3Peak 28 May 2017 at 03:00 UTC

Northern Lights on 28 May 2017 (Kp 7): Where They Were Visible

Kp reached 7. At that level the edge of the auroral oval reaches about 52.5° magnetic latitude, so the aurora could be seen low on the horizon down to roughly 48.0°. Activity stayed at storm level (Kp 5 or more) for 15 hours.

03579 G1 G3 Fri 26 May 21:00 UTC · Kp 0.00 Sat 27 May 00:00 UTC · Kp 0.67 Sat 27 May 03:00 UTC · Kp 0.33 Sat 27 May 06:00 UTC · Kp 0.00 Sat 27 May 09:00 UTC · Kp 0.00 Sat 27 May 12:00 UTC · Kp 1.00 Sat 27 May 15:00 UTC · Kp 3.33 Sat 27 May 18:00 UTC · Kp 2.67 Sat 27 May 21:00 UTC · Kp 5.67 Sun 28 May 00:00 UTC · Kp 6.00 Sun 28 May 03:00 UTC · Kp 7.00 Sun 28 May 06:00 UTC · Kp 6.00 Sun 28 May 09:00 UTC · Kp 5.00 Sun 28 May 12:00 UTC · Kp 3.67 Sun 28 May 15:00 UTC · Kp 1.67 Sun 28 May 18:00 UTC · Kp 1.00 Sun 28 May 21:00 UTC · Kp 0.67 Mon 29 May 00:00 UTC · Kp 0.33 Mon 29 May 03:00 UTC · Kp 0.33 Mon 29 May 06:00 UTC · Kp 0.67 Mon 29 May 09:00 UTC · Kp 1.67 Sat 27 MaySun 28 MayMon 29 May
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

2,678 towns on our list had enough activity while it was dark there. Cloud cover is not included.

CountryPlacesExamplesFurthest from the pole
United States 1,514 New York City, Brooklyn, Chicago, Queens St. Louis
Canada 401 Toronto, Montreal, Calgary, Ottawa Eastern Passage
United Kingdom 342 Glasgow, Manchester, Leeds, Edinburgh Manchester
Sweden 120 Stockholm, Gothenburg, Malmö, Uppsala Trelleborg
Denmark 93 Copenhagen, Aarhus, Odense, Aalborg Nakskov
Germany 44 Kiel, Lübeck, Flensburg, Norderstedt Norderstedt
Latvia 39 Riga, Daugavpils, Liepāja, Jelgava Daugavpils
Ireland 37 Dublin, Galway, Tallaght, Drogheda Dublin
Lithuania 25 Kaunas, Klaipeda City Municipality, Šiauliai, Panevėžys Kaunas
Estonia 21 Tallinn, Tartu, Narva, Pärnu Võru
Norway 21 Kristiansand, Sandnes, Fredrikstad, Sandefjord Mandal
New Zealand 16 Christchurch, Dunedin, Invercargill, Rolleston Christchurch
Australia 5 Hobart, Launceston, Bruny Island (Alonnah), Southport / Cockle Creek Launceston
Based on each place's Kp threshold (terrain included) and the Sun's position during each 3-hour Kp block.

Only in photos

2,639 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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