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.

Previous month

August 1998

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Sun.
     

1

C3.3
G2

2

C1.7
Kp2+

3

B5.7
Kp2+

4

B4.5
Kp3-

5

C1.2
Kp2+

6

C2.8
G3

7

C4.8
G2

8

M3.0
Kp3-

9

M3.3
Kp1+

10

C1.7
Kp4-

11

C1.4
Kp3

12

C1.3
Kp3

13

C9.5
Kp3-

14

M3.1
Kp3-

15

C7.6
Kp2+

16

M3.1
Kp1+

17

X1.2
Kp1+

18

X4.9
Kp2

19

X3.9
Kp4

20

C5.7
Kp4

21

C5.1
Kp3

22

M9.0
Kp4+

23

M2.2
Kp4

24

X1.0
Kp3

25

Kp4-

26

B9.5
G2

27

C3.0
G4

28

C1.8
G1

29

C5.3
G1

30

M1.3
Kp4-

31

M1.5
Kp4
      

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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 2020:70
Current stretch spotless days:20

This day in history*

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ApG
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*since 1994

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