Probability of aurora in San Antonio
Probability of aurora in San Antonio
Probability of aurora as of end of day, July 20, 2026, San Antonio time
0 %
San Antonio
Aurora intensity index
Auroral intensity index (1.4) as of the end of July 20, 2026, San Antonio time
Aurora over North America
Changes in the auroral oval on July 20, 2026 in United States, Coordinated Universal Time (UTC)
Aurora in the northern hemisphere
Changes in the auroral oval on July 20, 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 20, 2026.
0 %
Washington
0 %
New York
0 %
Chicago
0 %
Philadelphia
0 %
Seattle
0 %
Detroit
0 %
Portland
0 %
Boston
0 %
Madison
0 %
Bismarck
0 %
Olympia
0 %
Helena
0 %
Saint Paul
4 %
Fairbanks
1 %
Anchorage
2 %
Juneau
0 %
Hooper Bay
1 %
Nome
3 %
Kotzebue
9 %
Utqiagvik
0 %
Bethel
2 %
Cordova
Aurora intensity over 2 days
Changes in the auroral intensity index from July 19 to 20, 2026, San Antonio time. Maximum — 1.7/10
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