Solar wind — July 21, 2026

July 21, 2026

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Solar wind parameters

Solar wind speed

358 km/s normal (average for 24 hours)

Solar wind speed for July 20 and 21, 2026, according to data from the SOLAR1, ACE and IMAP spacecraft Solar wind speed for July 20 and 21, 2026.

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Solar wind density

10 cm^-3 high (average for 24 hours)

Solar wind density for July 20 and 21, 2026, according to data from the SOLAR1, ACE and IMAP spacecraft Solar wind density for July 20 and 21, 2026.

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Solar wind temperature

266 000 K high (average for 24 hours)

Solar wind temperature for July 20 and 21, 2026, according to data from the SOLAR1, ACE and IMAP spacecraft Solar wind temperature for July 20 and 21, 2026.

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Solar wind magnetic field induction

10.8 nT increased (average for 24 hours)

Solar wind magnetic field induction for July 20 and 21, 2026, according to data from the SOLAR1, ACE and IMAP spacecraft Solar wind magnetic field induction for July 20 and 21, 2026.

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The Bz component of the solar wind magnetic field

−1.1 nT negative (average for 24 hours)

The Bz component of the solar wind magnetic field for July 20 and 21, 2026, according to data from the SOLAR1, ACE and IMAP 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 July 20 and 21, 2026.

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