Aurora in Tomsk on August 4, 2025

August 4, 2025

Tomsk change region

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Probability of aurora in Tomsk

Probability of aurora as of end of day, August 4, 2025, Tomsk time

1 % Tomsk

Aurora intensity index

Auroral intensity index and estimated minimum latitude of auroral observations at zenith as of the end of August 4, 2025, Tomsk time

Aurora over Russian Federation

Changes in the auroral oval on August 4, 2025 in Russia from the beginning to the end of the day, Coordinated Universal Time (UTC)

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Aurora in the northern hemisphere

Changes in the auroral oval on August 4, 2025 in the northern hemisphere from the beginning to the end of the day, Coordinated Universal Time (UTC)

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Probability of aurora in cities of Russia

Estimated probabilities of aurora observations at zenith for cities in Russia as of end of day August 4, 2025.

1 % Moscow

2 % Saint Petersburg

1 % Novosibirsk

1 % Yekaterinburg

1 % Kazan

1 % Chelyabinsk

1 % Krasnoyarsk

1 % Nizhny Novgorod

0 % Rostov-on-Don

0 % Samara

0 % Voronezh

1 % Ufa

1 % Omsk

0 % Krasnodar

0 % Volgograd

2 % Perm

0 % Saratov

22 % Murmansk

7 % Nizhnevartovsk

12 % Arkhangelsk

7 % Yakutsk

7 % Syktyvkar

5 % Petrozavodsk

1 % Novgorod

6 % Khanty-Mansiysk

23 % Novy Urengoy

24 % Salekhard

14 % Anadyr

23 % Tiksi

27 % Vorkuta

Aurora intensity over 2 days

Changes in the auroral intensity index from August 3 to 4, 2025 in the northern hemisphere, Tomsk time

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