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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February 1999

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1

C3.8
Kp0+

2

B9.8
Kp1

3

C1.1
Kp2+

4

C5.1
Kp3

5

Kp3

6

B8.6
Kp4-

7

B6.6
Kp3+

8

C1.8
Kp2

9

C2.3
Kp2-

10

C3.7
Kp2+

11

C1.4
Kp4

12

M1.5
Kp4+

13

C9.4
Kp3-

14

M1.0
Kp3

15

C9.4
Kp4

16

M3.2
Kp2

17

C6.0
G1

18

C5.1
G3

19

C3.8
G2

20

C8.2
Kp2+

21

M1.3
Kp3-

22

C3.8
Kp2+

23

B6.1
Kp3+

24

Kp3+

25

C2.4
Kp4-

26

C1.5
Kp1

27

C2.1
Kp2-

28

M6.6
G1
       
       

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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 days309 days
2020143 days (77%)
Last spotless day2020/07/03

This day in history*

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*since 1994

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