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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May 1998

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Sun.
    

1

M1.2
Kp4+

2

X1.1
G3

3

M1.4
G2

4

C2.9
G4

5

M2.5
G3

6

X2.7
Kp2+

7

M2.9
Kp3

8

M3.1
Kp4+

9

M7.7
Kp4-

10

M3.9
Kp3

11

B9.6
Kp4-

12

C1.2
Kp4-

13

C1.6
Kp2-

14

C2.4
Kp1+

15

C1.8
Kp3

16

C2.2
Kp4

17

B9.5
G1

18

B9.2
Kp3

19

C4.4
Kp2+

20

Kp4+

21

B3.7
Kp3+

22

B2.1
Kp3+

23

B4.4
Kp3+

24

C1.8
Kp4-

25

B7.0
Kp3

26

C1.7
Kp3

27

C7.5
Kp2

28

M1.1
Kp3

29

M6.7
G3

30

C1.0
G1

31

C2.0
Kp2
       

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Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2020/02/19Kp5 (G1)
Number of spotless days in 2020:69
Current stretch spotless days:19

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*since 1994

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