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. You can choose a viewing mode to quickly look for days with interesting space weather and pick a day to view the archived data for that day with more detailed space weather data.

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April 1999

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1

B6.83
Kp4+

2

M1.59
Kp3+

3

M6.2
Kp4-

4

M6.76
Kp4

5

C4.83
Kp3+

6

C5.07
Kp4

7

C2.31
Kp4-

8

M1.66
Kp4

9

C2.53
Kp2+

10

C2.26
Kp4-

11

C3.89
Kp3

12

C1.74
Kp4-

13

C2.77
Kp1+

14

Kp3

15

C1.66
Kp1+

16

B7.76
Kp5

17

B8.64
Kp7+

18

C1.1
Kp3-

19

C1.16
Kp4-

20

C1.4
Kp4+

21

C2.46
Kp4+

22

C6.49
Kp2-

23

B9.06
Kp2-

24

B4.91
Kp2+
S1

25

B8.54
Kp2+
S1

26

B4.9
Kp2+

27

C1.99
Kp4+

28

C5.51
Kp5-

29

M1.7
Kp5-

30

M1.17
Kp4+
  
       

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