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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1

Kp3+

2

Kp3+

3

B2.75
Kp3

4

B3.08
Kp2+

5

C1.54
Kp3+

6

C1.39
Kp3-

7

B6.74
Kp2-

8

B6.75
Kp2-

9

B1.61
Kp2

10

Kp2

11

Kp5-

12

Kp5

13

Kp6-

14

Kp5

15

Kp5+

16

Kp3

17

Kp2-

18

Kp2+

19

Kp4-

20

M1.59
Kp4-

21

B4.32
Kp3

22

B2.77
Kp3

23

Kp2+

24

Kp5-

25

Kp5-

26

Kp4+

27

B2.19
Kp2

28

Kp2

29

Kp2-

30

Kp1

31

Kp2-
     

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Space weather facts

Last X-flare2024/05/15X2.9
Last M-flare2024/05/19M1.6
Last geomagnetic storm2024/05/17Kp6 (G2)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
April 2024136.5 +31.6
May 2024155.9 +19.4
Last 30 days163.2 +40.8

This day in history*

Solar flares
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52023M1.4
ApG
1197348G3
2194845G2
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*since 1994

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