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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September 1997

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1

C2.2
Kp2-

2

M1.0
Kp2

3

C2.7
G2

4

B7.4
G1

5

C1.7
Kp2

6

C1.1
Kp3-

7

C3.1
Kp2

8

M1.0
Kp4-

9

C9.7
Kp4-

10

C1.0
G1

11

B5.2
Kp3

12

C1.1
Kp4+

13

C2.4
Kp3+

14

C2.8
Kp3+

15

C4.4
Kp3+

16

C3.4
Kp3

17

M1.7
Kp4-

18

C2.9
G1

19

C8.6
Kp2-

20

C2.3
Kp2+

21

C2.6
G1

22

C5.1
Kp4+

23

C1.9
Kp2

24

M5.9
Kp2

25

C7.2
Kp1+

26

C4.4
Kp2-

27

B1.9
Kp4

28

C1.0
Kp4

29

C2.6
Kp3

30

B1.4
Kp3+
     
       

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Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2020/05/29M1.1
Last geomagnetic storm:2020/04/20Kp5 (G1)
Number of spotless days in 2020:124
Current stretch spotless days:32

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*since 1994

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