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 2019

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1

Kp3-

2

Kp3+

3

Kp3+

4

Kp4-

5

Kp3+

6

Kp3

7

B7.6
Kp2

8

B5.6
Kp3+

9

B3.3
Kp3+

10

B2.1
Kp4

11

B1.2
Kp3-

12

B7.1
Kp3

13

B1.3
Kp3

14

B1.4
Kp2-

15

B3.8
Kp2+

16

Kp2+

17

Kp2-

18

Kp1

19

B1.3
Kp2-

20

B8.1
Kp1+

21

Kp2-

22

Kp1+

23

Kp3+

24

Kp3

25

Kp2-

26

Kp2-

27

Kp2

28

Kp2

29

A7.1
Kp2

30

Kp2-
     
       

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Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/09/28Kp5 (G1)
Number of spotless days in 2019:214
Current stretch spotless days:16

This day in history*

Solar flares
11998M2.4
22014M1.6
32001C8.5
42013C8.4
52014C6.7
ApG
1199532G3
2199627G1
3200325G1
4201519G1
5201415
*since 1994

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