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 2014

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1

C3.3
Kp2+

2

M6.5
Kp1+

3

C5.5
Kp2

4

C8.3
Kp2+

5

C1.9
Kp4-

6

C3.8
Kp2

7

C4.0
Kp4

8

C1.2
Kp2

9

C2.1
Kp2-

10

C4.7
Kp1-

11

C9.4
Kp4-

12

C5.0
G1

13

C3.0
Kp4

14

C7.5
Kp3

15

C8.6
Kp2+

16

M1.0
Kp2

17

C3.9
Kp4-

18

M7.3
Kp3-

19

C4.7
Kp4-

20

C6.4
G1

21

C5.1
Kp4

22

C8.8
Kp2-

23

C5.1
Kp2

24

C2.9
Kp3+

25

X1.3
Kp3+

26

C2.4
Kp2+

27

B5.1
Kp2-

28

C3.4
Kp2+

29

B9.7
Kp3+

30

C1.5
Kp4
    
       

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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 2020:71
Current stretch spotless days:21

This day in history*

Solar flares
12002M3.4
22000M3.4
32001M2.2
42014M2.1
52000M2.0
ApG
1200339G2
2199922
3200220
4201719
5201319G1
*since 1994

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