Solar wind parameters
Solar wind speed
316 km/s
low
(average for 24 hours)
Solar wind speed for September 19 and 20, 2021.
Solar wind density
3 cm-3
normal
(average for 24 hours)
Solar wind density for September 19 and 20, 2021.
Solar wind temperature
23 000 K
low
(average for 24 hours)
Solar wind temperature for September 19 and 20, 2021.
Solar wind magnetic field induction
4 nT
normal
(average for 24 hours)
Solar wind magnetic field induction for September 19 and 20, 2021.
The Bz component of the solar wind magnetic field
+1.3 nT
positive
(average for 24 hours)
The Bz component of the solar wind magnetic field for September 19 and 20, 2021.
Diary
- 29.10.2026 A massive prominence eruption has been recorded on the Sun.
- 29.10.2026 Space weather on October 29, 2026
- 28.10.2026 The Last Sunspot