Solar wind on October 23, 2025

October 23, 2025

Anchorage change region

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Solar wind parameters

Solar wind speed

459 km/s normal (average for 24 hours)

Solar wind speed for October 22 and 23, 2025, according to data from the ACE spacecraft Solar wind speed for October 22 and 23, 2025.

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Solar wind density

2.7 cm^-3 normal (average for 24 hours)

Solar wind density for October 22 and 23, 2025, according to data from the ACE spacecraft Solar wind density for October 22 and 23, 2025.

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Solar wind temperature

140 000 K increased (average for 24 hours)

Solar wind temperature for October 22 and 23, 2025, according to data from the ACE spacecraft Solar wind temperature for October 22 and 23, 2025.

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Solar wind magnetic field induction

7.7 nT normal (average for 24 hours)

Solar wind magnetic field induction for October 22 and 23, 2025, according to data from the ACE spacecraft Solar wind magnetic field induction for October 22 and 23, 2025.

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The Bz component of the solar wind magnetic field

+2.2 nT positive (average for 24 hours)

The Bz component of the solar wind magnetic field for October 22 and 23, 2025, according to data from the ACE spacecraft. A negative, blue Bz value (southern direction of the field) promotes the development of magnetic storms and northern lights. The Bz component of the solar wind magnetic field for October 22 and 23, 2025.

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