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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July 2011

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1

B5.3
Kp4-

2

B3.7
Kp3-

3

C2.1
Kp3

4

B2.7
Kp4

5

B2.9
Kp4+

6

B3.5
Kp3

7

C1.0
Kp2+

8

C3.1
Kp3

9

B4.2
Kp4

10

B2.7
Kp3+

11

C2.6
Kp4-

12

C1.9
Kp3

13

B5.7
Kp2+

14

B4.0
Kp3-

15

B3.6
Kp3-

16

B6.2
Kp1+

17

B7.9
Kp2-

18

C1.0
Kp2+

19

B7.1
Kp4

20

B8.3
Kp4

21

B3.0
Kp4-

22

B5.7
Kp3

23

B5.4
Kp3-

24

B7.4
Kp1+

25

B7.2
Kp4-

26

C3.8
Kp3-

27

M1.1
Kp1+

28

C5.3
Kp1+

29

C6.3
Kp2+

30

M9.3
G1

31

C3.8
Kp3
       

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Space weather facts

Last X-flare2017/09/10X8.2
Last M-flare2020/05/29M1.1
Last geomagnetic storm2020/04/20Kp5 (G1)
Spotless days
Last 365 days293 days
2020157 days (71%)
Last spotless day2020/07/20

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*since 1994

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