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G1Peak 22 May 1990 at 06:00 UTC

Northern Lights on 22 May 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 6 hours.

03579 G1 G3 Mon 21 May 06:00 UTC · Kp 1.00 Mon 21 May 09:00 UTC · Kp 3.00 Mon 21 May 12:00 UTC · Kp 3.33 Mon 21 May 15:00 UTC · Kp 4.00 Mon 21 May 18:00 UTC · Kp 4.00 Mon 21 May 21:00 UTC · Kp 5.00 Tue 22 May 00:00 UTC · Kp 3.67 Tue 22 May 03:00 UTC · Kp 4.33 Tue 22 May 06:00 UTC · Kp 5.33 Tue 22 May 09:00 UTC · Kp 4.33 Tue 22 May 12:00 UTC · Kp 5.00 Tue 22 May 15:00 UTC · Kp 4.00 Tue 22 May 18:00 UTC · Kp 3.67 Tue 22 May 21:00 UTC · Kp 3.33 Wed 23 May 00:00 UTC · Kp 3.33 Wed 23 May 03:00 UTC · Kp 2.67 Wed 23 May 06:00 UTC · Kp 2.33 Wed 23 May 09:00 UTC · Kp 3.00 Wed 23 May 12:00 UTC · Kp 2.00 Tue 22 MayWed 23 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

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

CountryPlacesExamplesFurthest from the pole
United States 569 Seattle, Detroit, Milwaukee, Minneapolis Cedar Rapids
Canada 376 Toronto, Montreal, Calgary, Ottawa LaSalle
New Zealand 9 Dunedin, Invercargill, Mosgiel, Wānaka Wānaka
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

1,389 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.

← 21 May 1990 · 26 May 1990 →