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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November 1999

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1

C3.7
Kp4-

2

C2.8
Kp3-

3

C8.9
Kp3

4

C7.9
Kp2+

5

M3.0
Kp3

6

C5.0
Kp4-

7

C3.1
G1

8

C8.5
G1

9

M1.1
G1

10

M1.5
Kp4-

11

C8.6
G1

12

M1.7
Kp3

13

M1.3
G2

14

M8.0
Kp3

15

M2.9
Kp2+

16

M3.8
Kp4+

17

M7.4
Kp3

18

M1.4
Kp4-

19

C2.1
Kp4

20

M3.2
Kp3+

21

M3.4
Kp3+

22

C8.9
Kp4-

23

C2.0
G1

24

M3.0
G1

25

M2.0
G1

26

M6.0
Kp2

27

X1.4
Kp1+

28

M3.5
Kp3-

29

M1.1
Kp2+

30

C2.7
Kp3+
     
       

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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 2020:37
Current stretch spotless days:22

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*since 1994

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