G1Peak 26 July 1990 at 18:00 UTC

Northern Lights on 26 July 1990 (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 3 hours.

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

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

Based on each place's Kp threshold (terrain included) and the Sun's position during each 3-hour Kp block.
Country	Places	Examples	Furthest from the pole
Sweden	272	Stockholm, Gothenburg, Uppsala, Linköping	Gislaved
Finland	250	Helsinki, Espoon keskus, Tampere urban area, Vantaa	Hanko
Norway	148	Oslo, Bergen, Stavanger, Kristiansand	Mandal
Estonia	65	Tallinn, Tartu, Narva, Pärnu	Võru
United Kingdom	39	Aberdeen, Inverness, Elgin, Peterhead	Fort William
Australia	20	Hobart, Launceston, Devonport, Burnie	Smithton
Latvia	12	Ventspils, Valmiera, Cēsis, Limbaži	Cēsis
Denmark	8	Hjørring, Frederikshavn, Brønderslev, Sæby	Brønderslev
Kazakhstan	1	Petropavl	Petropavl

Only in photos

1,295 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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