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 2013

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1

C1.7
Kp3+

2

B4.6
Kp3+

3

C1.3
Kp3+

4

C3.6
Kp2

5

C1.5
Kp2-

6

C1.0
Kp2

7

B8.4
Kp1

8

B7.5
Kp3

9

Kp1+

10

B4.1
Kp3-

11

Kp2-

12

B2.6
Kp3-

13

Kp4-

14

Kp2+

15

Kp1+

16

B6.0
Kp2-

17

B6.8
Kp3

18

C3.9
Kp3-

19

C1.8
Kp4

20

C3.8
Kp2+

21

C3.0
Kp3-

22

B6.0
Kp2+

23

B6.8
Kp2

24

C1.1
Kp4+

25

B6.1
Kp3-

26

B7.0
Kp0+

27

B6.7
Kp1-

28

B6.0
Kp0+

29

C1.6
Kp2-

30

B4.8
Kp2-
      

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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 days319 days
2020124 days (81%)
Last spotless day2020/05/31

This day in history*

Solar flares
12000M7.6
22003M6.5
32000M4.1
42003M3.9
52007M2.5
ApG
1200338G1
2199424
3200122G1
4199518
5201317
*since 1994

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