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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December 2018

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1

Kp3

2

Kp4-

3

A1.1
Kp3

4

Kp3

5

B1.5
Kp2

6

Kp2

7

B1.2
Kp3+

8

Kp3+

9

B2.4
Kp4-

10

Kp3+

11

A3.1
Kp3-

12

Kp2+

13

Kp1

14

Kp1-

15

B1.0
Kp0+

16

17

18

19

20

A6.4

21

22

23

24

25

26

A2.1

27

28

29

A1.1

30

31

      

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Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/06/08Kp5 (G1)
Number of spotless days in 2019:110
Last spotless day:2019/06/23

This day in history*

Solar flares
12015M7.9
22000M2.5
32000M1.9
42000C7.7
51998C6.5
ApG
1201532G2
2200316
3199516G1
4201812G1
5200511
*since 1994

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