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Solar wind — today

September 18, 2026 2:05 AM
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Today

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Solar wind parameters

Solar wind speed

460 km/s normal
Solar wind speed over the past 2 days according to data from the SOLAR1, ACE and IMAP spacecraft Solar wind speed over the past 2 days.
Solar wind speed
PNG API: JSON | TXT

Solar wind density

3.2 cm-3 normal
Solar wind density over the past 2 days according to data from the SOLAR1, ACE and IMAP spacecraft Solar wind density over the past 2 days.
Solar wind density
PNG API: JSON | TXT

Solar wind temperature

73 000 K normal
Solar wind temperature over the past 2 days according to data from the SOLAR1, ACE and IMAP spacecraft Solar wind temperature over the past 2 days.
Solar wind temperature
PNG API: JSON | TXT

Solar wind magnetic field induction

4 nT normal
Solar wind magnetic field induction over the past 2 days according to data from the SOLAR1, ACE and IMAP spacecraft Solar wind magnetic field induction over the past 2 days.
Solar wind magnetic field induction
PNG API: JSON | TXT

The Bz component of the solar wind magnetic field

−2.7 nT negative
The Bz component of the solar wind magnetic field over the past 2 days 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 over the past 2 days.
The Bz component of the solar wind magnetic field
PNG API: JSON | TXT