Pc5 Home 10 days 27 days Japanese

Pc5 Index
ICSWSE, Kyushu University

2026/ 4/20   08:00 -- 09:00 UT
Pc5 Index Estimated Solar Wind Velocity
1- 378 km/s
Error range = 322 - 434 km/s

Pc5 Index
Estimated
Solar Wind
Velocity
Solar wind data observed by ACE satellite
Solar Wind
Velocity


Time (UT) Pc5 Index Estimated Solar Wind Velocity Error range
4/20   08 h
0+
368 km/s ( 309 -- 427 km/s )
4/20   07 h
1-
378 km/s ( 322 -- 434 km/s )
4/20   06 h
0+
368 km/s ( 309 -- 427 km/s )
4/20   05 h
0+
368 km/s ( 309 -- 427 km/s )
4/20   04 h
1+
405 km/s ( 342 -- 468 km/s )
4/20   03 h
2-
421 km/s ( 352 -- 490 km/s )
4/20   02 h
2-
421 km/s ( 352 -- 490 km/s )
4/20   01 h
3
482 km/s ( 392 -- 572 km/s )
4/20   00 h
2
432 km/s ( 358 -- 506 km/s )
4/19   23 h
4-
518 km/s ( 416 -- 620 km/s )
4/19   22 h
3-
467 km/s ( 381 -- 553 km/s )
4/19   21 h
2
432 km/s ( 358 -- 506 km/s )
4/19   20 h
2+
450 km/s ( 369 -- 531 km/s )
4/19   19 h
4+
557 km/s ( 441 -- 673 km/s )
4/19   18 h
3-
467 km/s ( 381 -- 553 km/s )
4/19   17 h
4-
518 km/s ( 416 -- 620 km/s )
4/19   16 h
4+
557 km/s ( 441 -- 673 km/s )
4/19   15 h
4-
518 km/s ( 416 -- 620 km/s )
4/19   14 h
4
536 km/s ( 428 -- 644 km/s )
4/19   13 h
4-
518 km/s ( 416 -- 620 km/s )
4/19   12 h
4
536 km/s ( 428 -- 644 km/s )
4/19   11 h
4+
557 km/s ( 441 -- 673 km/s )
4/19   10 h
2+
450 km/s ( 369 -- 531 km/s )
4/19   09 h
4
536 km/s ( 428 -- 644 km/s )