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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August 2011

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1

C4.0
Kp3-

2

M1.4
Kp2

3

M6.0
Kp1

4

M9.3
Kp3

5

C2.0
G4

6

C4.1
G2

7

C2.1
Kp4-

8

M3.5
Kp2+

9

X6.9
Kp3

10

C6.1
Kp3-

11

C6.2
Kp2-

12

B1.9
Kp2-

13

B1.8
Kp2

14

Kp3+

15

C3.4
Kp4

16

B6.4
Kp3-

17

C3.4
Kp3

18

C1.6
Kp1

19

Kp1+

20

C2.9
Kp3-

21

C1.5
Kp1+

22

C1.1
Kp3-

23

B5.7
Kp3+

24

C1.1
Kp3+

25

B9.6
Kp2

26

C2.3
Kp2+

27

B8.7
Kp2+

28

B5.4
Kp2+

29

C3.7
Kp3-

30

C5.5
Kp1+

31

C2.2
Kp1-
    
       

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Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/10/26Kp5 (G1)
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Last spotless day:2020/01/23

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