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.

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May 2005

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1

C2.2
G1

2

C8.0
Kp2+

3

C2.7
Kp3

4

C1.1
Kp2+

5

C7.8
Kp2-

6

M1.3
Kp2

7

M1.4
G1

8

C1.2
G4

9

C8.9
Kp4-

10

M1.3
Kp3-

11

M1.2
Kp4

12

M1.6
Kp4-

13

M8.0
G1

14

C4.0
Kp2+

15

M3.5
G4

16

M1.6
G2

17

M1.8
Kp4+

18

C2.0
Kp3-

19

B1.3
Kp3

20

B9.5
G1

21

Kp4

22

B1.5
Kp4-

23

B7.2
Kp2+

24

B6.3
Kp2

25

B2.1
Kp1+

26

C8.6
Kp0+

27

M1.1
Kp1

28

C5.4
Kp4

29

B3.6
G2

30

B4.4
G4

31

C2.4
Kp4-
     

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Space weather facts

Last X-flare2017/09/10X8.2
Last M-flare2020/05/29M1.1
Last geomagnetic storm2020/04/20Kp5 (G1)
Spotless days
Last 365 days288 days
2020157 days (70%)
Last spotless day2020/07/20

This day in history*

Solar flares
12004X1.0
22004M3.0
32004M2.8
42002M1.8
52004M1.2
ApG
1199427G1
2200122G1
3200019G2
4200516
5200315
*since 1994

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