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 2016

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1

B3.7
Kp2-

2

B2.4
Kp1+

3

B2.8
Kp1

4

C1.8
Kp1-

5

C1.2
Kp2+

6

B2.9
Kp3+

7

B3.6
Kp3

8

Kp4+

9

B1.5
G1

10

C4.0
Kp4

11

B1.3
Kp4+

12

Kp2+

13

Kp2-

14

Kp1+

15

B2.5
Kp1

16

B2.1
Kp1

17

Kp3+

18

Kp3

19

Kp2

20

Kp3-

21

B2.7
G2

22

G1

23

Kp4

24

Kp3+

25

Kp4

26

B8.3
G1

27

B3.1
Kp4-

28

Kp2

29

B1.3
Kp2

30

B2.2
Kp1+

31

B2.4
Kp3+
 
       

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64%

Space weather facts

Last X-flare2017/09/10X8.2
Last M-flare2020/05/29M1.1
Last geomagnetic storm2020/04/20Kp5 (G1)
Spotless days
Last 365 days308 days
2020143 days (76%)
Last spotless day2020/07/03

This day in history*

Solar flares
12012X1.1
22012M2.9
32006M2.5
42003M2.3
52012M1.8
ApG
1201327G1
2200222
3199819G1
4201215
5201510
*since 1994

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