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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May 2014

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1

B7.2
Kp2+

2

C4.4
Kp2-

3

C5.3
Kp3

4

C9.2
Kp4+

5

C8.0
Kp3

6

M1.8
Kp1-

7

M1.2
Kp2

8

M5.3
G1

9

C7.8
Kp3

10

C8.7
Kp3

11

C6.4
Kp4-

12

C2.3
Kp2+

13

C6.8
Kp1

14

C8.3
Kp2

15

C5.0
Kp2-

16

C5.7
Kp2

17

C3.3
Kp1+

18

C3.8
Kp2-

19

C1.2
Kp2-

20

C1.9
Kp1+

21

C2.3
Kp0+

22

C6.4
Kp3+

23

C1.5
G1

24

M1.3
Kp2-

25

C3.8
Kp1+

26

C2.1
Kp1

27

C4.9
Kp2-

28

C1.7
Kp1+

29

C1.4
Kp3-

30

B4.4
Kp4+

31

C1.3
Kp1
 
       

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Space weather facts

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 2020:72
Last spotless day:2020/03/30

This day in history*

Solar flares
12001M8.4
22001M5.1
32001M3.1
42013M2.2
52004M1.7
ApG
1201055G4
2200550G3
3199441G2
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*since 1994

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