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Real-time auroral and solar activity

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

B2.4
Kp4

2

B2
Kp3

3

B3.7
Kp3+

4

C7.2
Kp3

5

M1.4
Kp3

6

C1.3
Kp3-

7

B1.8
Kp2+

8

Kp2-

9

Kp1-

10

Kp2-

11

B1.2
Kp3+

12

C1.2
Kp1+

13

B3.7
Kp3-

14

C6.1
Kp1+

15

C8.1
Kp3+

16

C3.4
Kp3

17

M1.29
Kp2-

18

C6.4
Kp2-

19

C3.8
Kp5

20

M1.9
Kp4-

21

M1.4
Kp4-

22

M1.3
Kp3

23

C2.7
Kp2+

24

C7.5
Kp2+

25

C3.4
Kp3-

26

C3.3
Kp2-

27

C2.2
Kp4

28

M1.89
Kp3-

29

C4.7
Kp2+

30

B8.4
Kp3

31

C9.8
Kp2
  
       
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AR4299 M8.1 CME 2025/12/06 64AR4294 / 4296 / 4298 349Growth of Cycle 25 975Incoming & Unnumbered Active Regions 21Changelog/Featurelog 177
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Space weather facts

Last X-flare2025/12/01X1.9
Last M-flare2025/12/06M8.1
Last geomagnetic storm2025/12/04Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
November 202591.8 -22.8
December 2025167.7 +75.9
Last 30 days107.1 +13.7

This day in history*

Solar flares
12024M3.2
22006M2.97
32024M2.3
42013M1.82
51999M1.46
DstG
11982-78G2
22022-63G1
31959-60
41960-60G2
51993-57G1
*since 1994

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