The aurora and solar activity archive

Searching for historical solar and auroral activity data? The archive is filled with data between the year 1996 and yesterday.

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September 2001

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1

C4.5
Kp2

2

M3.0
Kp2+

3

M2.5
Kp4+

4

M3.7
Kp4+

5

M6.0
Kp3

6

C8.1
Kp2

7

M1.2
Kp3-

8

M1.2
Kp3

9

M9.5
Kp2-

10

C8.7
Kp1+

11

M4.5
Kp3+

12

M1.0
Kp4-

13

C7.0
G1

14

M3.7
Kp3+

15

M1.5
Kp4+

16

M5.6
Kp3-

17

M8.1
Kp3-

18

M1.4
Kp4+

19

C7.5
Kp3+

20

M1.5
Kp2

21

C7.7
Kp2+

22

C8.1
Kp3+

23

M1.1
G2

24

X2.6
Kp4

25

M7.6
G3

26

M1.8
G2

27

M1.0
Kp4

28

M3.3
Kp4-

29

M1.8
G1

30

M1.2
G2
       

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Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/01/05Kp5 (G1)
Number of spotless days in 2019:12
Current stretch spotless days:13

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*since 1994

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