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Solar wind — January 21, 2025

January 21, 2025
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Solar wind parameters

Solar wind speed

514 km/s increased (average for 24 hours)
Solar wind speed for January 20 and 21, 2025, according to data from the ACE spacecraft Solar wind speed for January 20 and 21, 2025.
Solar wind speed
PNG API: JSON | TXT

Solar wind density

1 cm-3 normal (average for 24 hours)
Solar wind density for January 20 and 21, 2025, according to data from the ACE spacecraft Solar wind density for January 20 and 21, 2025.
Solar wind density
PNG API: JSON | TXT

Solar wind temperature

87 000 K normal (average for 24 hours)
Solar wind temperature for January 20 and 21, 2025, according to data from the ACE spacecraft Solar wind temperature for January 20 and 21, 2025.
Solar wind temperature
PNG API: JSON | TXT

Solar wind magnetic field induction

4 nT normal (average for 24 hours)
Solar wind magnetic field induction for January 20 and 21, 2025, according to data from the ACE spacecraft Solar wind magnetic field induction for January 20 and 21, 2025.
Solar wind magnetic field induction
PNG API: JSON | TXT

The Bz component of the solar wind magnetic field

−1.7 nT negative (average for 24 hours)
The Bz component of the solar wind magnetic field for January 20 and 21, 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 January 20 and 21, 2025.
The Bz component of the solar wind magnetic field
PNG API: JSON | TXT