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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August 2013

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1

Kp2

2

B9.7
Kp1

3

B3.7
Kp2

4

G1

5

Kp4+

6

B6.0
Kp2

7

B6.3
Kp1+

8

B5.5
Kp2-

9

C2.0
Kp2+

10

B4.6
Kp2+

11

C8.4
Kp1+

12

M1.5
Kp3

13

C4.6
Kp3+

14

C4.9
Kp4-

15

C2.1
Kp4-

16

C2.6
G1

17

M3.3
Kp2+

18

C1.6
Kp2

19

C2.2
Kp2-

20

C1.8
Kp2+

21

C2.2
Kp4+

22

C4.1
Kp4-

23

C1.4
Kp4+

24

Kp2+

25

Kp2

26

Kp2

27

B7.7
G1

28

Kp4

29

C1.2
Kp1-

30

C8.3
Kp4

31

C2.6
Kp4
 
       

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Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2020/05/29M1.1
Last geomagnetic storm:2020/04/20Kp5 (G1)
Number of spotless days in 2020:122
Current stretch spotless days:30

This day in history*

Solar flares
12002M1.6
22002M1.3
31999C8.7
42003C8.6
52011C7.0
ApG
1200590G4
2200359G3
3199451G2
4199539G2
5200022
*since 1994

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