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

Kp1-

17

Kp2+

18

Kp3-

19

Kp2

20

A6.4
Kp3

21

Kp2

22

Kp1

23

Kp0+

24

Kp1+

25

Kp2-

26

A2.1
Kp1

27

Kp2+

28

Kp4+

29

A1.1
Kp3

30

Kp3

31

Kp3
      

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Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/09/02Kp5 (G1)
Number of spotless days in 2019:184
Current stretch spotless days:14

This day in history*

Solar flares
12000M5.9
22001M5.6
32005M4.4
42005M3.5
52000M3.3
ApG
1200334G2
2199931G2
3200029G2
4201728G1
5200419
*since 1994

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