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 2014

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1

M1.8
Kp4-

2

C6.5
Kp3

3

C3.8
Kp3-

4

M6.1
Kp4-

5

M1.5
Kp3+

6

C4.4
Kp4-

7

C2.7
G1

8

C2.2
Kp4

9

C8.6
Kp4

10

C5.9
Kp3+

11

C3.8
Kp2+

12

C4.0
Kp4+

13

M1.5
Kp3-

14

M1.6
Kp3+

15

C7.0
Kp3+

16

C5.6
Kp3-

17

M8.7
Kp3-

18

M6.9
Kp2+

19

M1.3
Kp3-

20

X1.8
Kp3-

21

M1.2
Kp4-

22

M1.0
G1

23

C4.9
Kp4

24

C3.7
Kp4

25

C4.3
Kp4-

26

C6.5
G1

27

M2.2
Kp3+

28

C3.3
Kp4-

29

C2.6
G1

30

C2.6
Kp4

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:2020/02/19Kp5 (G1)
Number of spotless days in 2020:72
Current stretch spotless days:22

This day in history*

Solar flares
12000M4.1
22001M2.1
32000M2.0
42000M1.8
52014M1.4
ApG
12001192G4
2200343G2
3201727G1
4200023G1
5200220
*since 1994

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