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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April 2001

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1

M5.5
G2

2

X20.0
G1

3

X1.2
Kp3-

4

M2.0
G1

5

M8.4
Kp4+

6

X5.6
Kp3+

7

C2.3
G1

8

G3

9

M7.9
G1

10

X2.3
Kp3+

11

M2.3
G4

12

X2.0
G3

13

B9.5
G3

14

M1.0
Kp4+

15

X14.4
Kp4+

16

M1.1
Kp3+

17

M1.3
Kp2+

18

C2.2
G3

19

M2.0
Kp3-

20

M4.1
Kp3-

21

C4.8
Kp3+

22

M3.2
G2

23

M4.0
Kp4+

24

M3.1
Kp2+

25

M2.7
Kp2+

26

M7.8
Kp3-

27

M1.2
Kp1+

28

C7.0
G2

29

C3.2
Kp4+

30

C5.1
Kp1
      

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Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/05/14Kp7 (G3)
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Last spotless day:2019/05/02

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