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

M7.1
Kp3+

2

C5.5
Kp3+

3

M7.2
Kp2

4

M3.9
Kp2+

5

M2.1
Kp2-

6

C5.2
Kp6

7

M1.64
Kp4

8

M2.3
Kp4+
S1

9

M6.5
Kp4+
S1

10

M2.2
Kp5+
S1

11

M2.2
Kp3-
S1

12

C5.6
Kp5+

13

C9
Kp4

14

C7
Kp3+

15

C3.4
Kp3-

16

M9.62
Kp3-

17

C9.5
Kp1

18

M4.5
Kp1-

19

M5.3
Kp4

20

M8.96
Kp6-

21

M2.6
Kp6-

22

M1.9
Kp5-

23

M3
Kp4-

24

M1.85
Kp3

25

M1.1
Kp3

26

M1.3
Kp2-

27

C8.4
Kp2

28

M1
Kp3

29

C6.5
Kp1+

30

M1.4
Kp2

31

M4.2
Kp3
    
       

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Space weather facts

Last X-flare2025/12/08X1.1
Last M-flare2025/12/12M1.1
Last geomagnetic storm2025/12/12Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
November 202591.8 -22.8
December 2025131.8 +40
Last 30 days108.3 +14.5

This day in history*

Solar flares
12014X1.25
21998M4.59
32002M2.31
42014M2.16
52014M2.11
DstG
11971-171G3
21982-106G3
32023-76G1
41988-76G2
51977-67G1
*since 1994

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