Solar wind — October 20, 2025

October 20, 2025

London change region

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Solar wind parameters

Solar wind speed

538 km/s increased (average for 24 hours)

Solar wind speed for October 19 and 20, 2025, according to data from the ACE spacecraft Solar wind speed for October 19 and 20, 2025.

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Solar wind density

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

Solar wind density for October 19 and 20, 2025, according to data from the ACE spacecraft Solar wind density for October 19 and 20, 2025.

PNG API: JSON | TXT

Solar wind temperature

136 000 K increased (average for 24 hours)

Solar wind temperature for October 19 and 20, 2025, according to data from the ACE spacecraft Solar wind temperature for October 19 and 20, 2025.

PNG API: JSON | TXT

Solar wind magnetic field induction

6 nT normal (average for 24 hours)

Solar wind magnetic field induction for October 19 and 20, 2025, according to data from the ACE spacecraft Solar wind magnetic field induction for October 19 and 20, 2025.

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The Bz component of the solar wind magnetic field

+2.6 nT positive (average for 24 hours)

The Bz component of the solar wind magnetic field for October 19 and 20, 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 19 and 20, 2025.

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