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 2015

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1

C1.5
Kp3

2

B7.9
Kp3+

3

B5.4
Kp3-

4

B4.4
Kp3-

5

B7.3
Kp2+

6

C2.1
Kp3+

7

C5.4
G1

8

C1.6
Kp3

9

C4.2
Kp3+

10

B8.2
Kp3-

11

C1.0
Kp3-

12

B7.0
Kp3+

13

B5.8
Kp4+

14

C1.9
Kp1

15

C1.6
G2

16

B3.9
G2

17

B2.8
Kp4+

18

B4.3
Kp3

19

B6.8
Kp4

20

C3.4
Kp3+

21

M1.4
Kp2+

22

M3.5
Kp3+

23

C6.6
G1

24

M5.6
Kp3

25

C4.3
Kp3-

26

C9.5
G1

27

M2.9
G2

28

M2.2
G2

29

C2.4
Kp4+

30

M1.4
Kp2-

31

C2.2
Kp2-
      

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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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