Probability of aurora in Cheyenne
Probability of aurora in Cheyenne
Probability of aurora as of end of day, July 15, 2026, Cheyenne time
0 %
Cheyenne
Aurora intensity index
Auroral intensity index (1.9) as of the end of July 15, 2026, Cheyenne time
Aurora over North America
Changes in the auroral oval on July 15, 2026 in United States, Coordinated Universal Time (UTC)
Aurora in the northern hemisphere
Changes in the auroral oval on July 15, 2026 in the northern hemisphere, Coordinated Universal Time (UTC)
Probability of aurora in cities of United States
Estimated probabilities for cities in United States as of end of day July 15, 2026.
0 %
Washington
0 %
New York
0 %
Chicago
0 %
Philadelphia
1 %
Seattle
0 %
Detroit
0 %
Portland
0 %
Boston
0 %
Madison
2 %
Bismarck
0 %
Olympia
1 %
Helena
1 %
Saint Paul
13 %
Fairbanks
5 %
Anchorage
7 %
Juneau
2 %
Hooper Bay
6 %
Nome
9 %
Kotzebue
16 %
Utqiagvik
2 %
Bethel
6 %
Cordova
Aurora intensity over 2 days
Changes in the auroral intensity index from July 14 to 15, 2026, Cheyenne time. Maximum — 3.1/10
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