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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April 2020

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1

Kp2+

2

Kp3-

3

Kp4-

4

B4.2
Kp2

5

Kp2-

6

B2.5
Kp1

7

B4.5
Kp2

8

Kp4-

9

B1.6
Kp2-

10

Kp2+

11

Kp3+

12

Kp3-

13

Kp2-

14

Kp3+

15

Kp3

16

Kp2

17

Kp1+

18

A1.1
Kp2-

19

Kp1-

20

G1

21

Kp3+

22

Kp3

23

A7.2
Kp2-

24

Kp3-

25

Kp2+

26

Kp3-

27

Kp3-

28

Kp3-

29

Kp1

30

B1.3
Kp1
   
       

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48%

Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2020/05/29M1.1
Last geomagnetic storm:2020/04/20Kp5 (G1)
Number of spotless days in 2020:123
Current stretch spotless days:31

This day in history*

Solar flares
12003M9.3
22002M2.4
32013M1.0
42004C6.5
52003C6.2
ApG
1199530G1
2199429G1
3200320G1
4201015
5200514
*since 1994

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