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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April 2006

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1

B7.8
Kp1-

2

B6.7
Kp1

3

C4.0
Kp1-

4

B7.0
Kp3+

5

C8.1
G1

6

M1.4
Kp4-

7

C9.7
Kp1

8

B3.3
Kp2-

9

B2.6
G2

10

B8.7
Kp4

11

C2.3
Kp2+

12

Kp0+

13

B1.9
Kp4

14

G3

15

B1.1
G1

16

B1.6
Kp4-

17

B2.0
Kp3+

18

Kp4

19

B1.3
Kp2-

20

B2.2
Kp3

21

B4.5
Kp4

22

C2.6
G1

23

B7.3
Kp3

24

C1.0
Kp3-

25

C1.3
Kp3-

26

M1.3
Kp2-

27

M7.9
Kp1+

28

C2.3
Kp4-

29

C2.3
Kp1-

30

C5.3
Kp0
       

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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 days308 days
2020150 days (77%)
Current stretch4 days

This day in history*

Solar flares
12000X5.7
22005X1.2
32005M9.1
42004M6.2
51998M4.6
ApG
1200051G3
2199430G2
3201326G1
4201219G2
5200719G1
*since 1994

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