Solar wind — October 18, 2025

October 18, 2025

Moscow change region

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Solar wind parameters

Solar wind speed

450 km/s normal (average for 24 hours)

Solar wind speed for October 17 and 18, 2025, according to data from the ACE spacecraft Solar wind speed for October 17 and 18, 2025.

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Solar wind density

9.7 cm^-3 increased (average for 24 hours)

Solar wind density for October 17 and 18, 2025, according to data from the ACE spacecraft Solar wind density for October 17 and 18, 2025.

PNG API: JSON | TXT

Solar wind temperature

114 000 K normal (average for 24 hours)

Solar wind temperature for October 17 and 18, 2025, according to data from the ACE spacecraft Solar wind temperature for October 17 and 18, 2025.

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Solar wind magnetic field induction

11.8 nT increased (average for 24 hours)

Solar wind magnetic field induction for October 17 and 18, 2025, according to data from the ACE spacecraft Solar wind magnetic field induction for October 17 and 18, 2025.

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The Bz component of the solar wind magnetic field

−0.7 nT negative (average for 24 hours)

The Bz component of the solar wind magnetic field for October 17 and 18, 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 17 and 18, 2025.

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