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G1Peak 29 May 1991 at 00:00 UTC

Northern Lights on 29 May 1991 (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 12 hours.

03579 G1 G3 Mon 27 May 15:00 UTC · Kp 2.67 Mon 27 May 18:00 UTC · Kp 3.67 Mon 27 May 21:00 UTC · Kp 3.67 Tue 28 May 00:00 UTC · Kp 5.00 Tue 28 May 03:00 UTC · Kp 3.67 Tue 28 May 06:00 UTC · Kp 3.33 Tue 28 May 09:00 UTC · Kp 3.67 Tue 28 May 12:00 UTC · Kp 2.33 Tue 28 May 15:00 UTC · Kp 4.67 Tue 28 May 18:00 UTC · Kp 4.67 Tue 28 May 21:00 UTC · Kp 5.00 Wed 29 May 00:00 UTC · Kp 5.33 Wed 29 May 03:00 UTC · Kp 4.33 Wed 29 May 06:00 UTC · Kp 2.67 Wed 29 May 09:00 UTC · Kp 3.33 Wed 29 May 12:00 UTC · Kp 2.67 Wed 29 May 15:00 UTC · Kp 2.67 Wed 29 May 18:00 UTC · Kp 3.67 Wed 29 May 21:00 UTC · Kp 3.00 Thu 30 May 00:00 UTC · Kp 3.00 Tue 28 MayWed 29 MayThu 30 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

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

CountryPlacesExamplesFurthest from the pole
Canada 202 Montreal, Ottawa, Winnipeg, Quebec City Sydney Mines
United States 171 Minneapolis, Saint Paul, Syracuse, Fargo Utica
United Kingdom 166 Glasgow, Edinburgh, Belfast, Newcastle upon Tyne Middlesbrough
Sweden 116 Stockholm, Gothenburg, Malmö, Linköping Oxie
Denmark 76 Copenhagen, Aarhus, Aalborg, Frederiksberg Tønder
Latvia 39 Riga, Daugavpils, Liepāja, Jelgava Daugavpils
Estonia 21 Tallinn, Tartu, Narva, Pärnu Võru
Lithuania 18 Klaipeda City Municipality, Šiauliai, Panevėžys, Mažeikiai Utena
Norway 18 Kristiansand, Fredrikstad, Sandefjord, Sarpsborg Mandal
New Zealand 4 Invercargill, Gore, Stewart Island/Rakiura (Oban), The Catlins (Owaka) Gore
Australia 3 Hobart, Bruny Island (Alonnah), Southport / Cockle Creek Hobart
Ireland 2 Letterkenny, Sligo Sligo
Germany 1 Westerland Westerland
Based on each place's Kp threshold (terrain included) and the Sun's position during each 3-hour Kp block.

Only in photos

2,479 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.

← 28 May 1991 · 31 May 1991 →