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

Kp4-

2

B1.14
Kp4-

3

Kp2+

4

Kp2-

5

Kp3

6

Kp3

7

Kp5+

8

Kp4+

9

Kp4-

10

B1.98
Kp5-

11

Kp3

12

C1.02
Kp2-

13

B3.34
Kp4+

14

Kp2

15

Kp3

16

Kp2

17

Kp2-

18

Kp0+

19

Kp1-

20

Kp0+

21

Kp2

22

Kp3-

23

Kp1

24

Kp1+

25

Kp2

26

Kp2+

27

Kp2-

28

Kp1+

29

A1.43
Kp0+

30

Kp2

31

Kp2-
    
       

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Space weather facts

Last X-flare2024/06/10X1.55
Last M-flare2024/06/12M1.1
Last geomagnetic storm2024/06/07Kp6 (G2)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
May 2024171.7 +35.2
June 2024166.9 -4.8
Last 30 days152.8 -23.5

This day in history*

Solar flares
12001X1.12
22003M4.44
32014M3.77
42022M3.4
52001M2.93
ApG
11991120G4
2199070G4
3198370G4
4198262G2
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*since 1994

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