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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1

Kp2-

2

B5.0
Kp3

3

C1.7
Kp3+

4

B4.4
Kp4+

5

B3.0
Kp4-

6

Kp4

7

G2

8

G2

9

G2

10

Kp4+

11

C1.3
G3

12

Kp4+

13

B6.4
Kp4-

14

B9.6
G1

15

C1.3
Kp4

16

C7.8
Kp3+

17

M1.1
Kp4+

18

C2.6
Kp3+

19

C2.4
G1

20

M2.1
G3

21

C8.8
Kp3+

22

B4.7
Kp4-

23

C3.2
Kp4-

24

C3.3
Kp3-

25

C1.1
Kp3

26

C1.5
Kp2

27

M1.9
Kp1+

28

M7.6
Kp2-

29

M2.9
Kp3-

30

M1.3
Kp1-
    
       

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Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/10/26Kp5 (G1)
Number of spotless days in 2019:240
Current stretch spotless days:13

This day in history*

Solar flares
12014M3.7
22014M3.2
31999M2.9
42002M2.4
52011M1.9
ApG
1200340G2
2201416
3199615
4200212
5201711
*since 1994

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