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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July 2013

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1

C1.8
Kp3

2

C7.1
Kp1+

3

M1.5
Kp2-

4

C8.9
Kp2-

5

C8.5
Kp4-

6

C4.1
G1

7

C6.1
Kp4

8

C9.7
Kp2-

9

C2.8
Kp3+

10

C4.9
Kp4+

11

C2.6
G1

12

C3.5
Kp3

13

C1.4
Kp3

14

C1.8
G1

15

C3.6
G1

16

C2.1
Kp2+

17

C1.6
Kp2-

18

C2.3
G1

19

Kp4-

20

C2.1
Kp3

21

C3.1
Kp1+

22

B4.6
Kp3-

23

B6.3
Kp2

24

C1.8
Kp2

25

C2.1
Kp4

26

C1.5
Kp4

27

C1.0
Kp3-

28

C3.2
Kp2+

29

C6.3
Kp2

30

C3.1
Kp2

31

C1.5
Kp2
    
       

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Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2020/04/20Kp5 (G1)
Number of spotless days in 2020:120
Current stretch spotless days:28

This day in history*

Solar flares
12003X3.6
22011M1.1
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41998C8.7
52000C8.6
ApG
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2201145G2
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*since 1994

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