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 2000

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Sun.
     

1

C8.3
Kp4

2

C6.1
Kp4

3

C3.8
Kp3

4

M1.0
G1

5

C1.6
Kp4+

6

M1.8
G4

7

C2.4
G4

8

M2.0
Kp3

9

M3.1
Kp4-

10

C8.6
Kp4

11

M1.1
Kp3+

12

M1.3
Kp3-

13

C2.9
Kp4-

14

C7.2
Kp1+

15

M4.3
Kp3-

16

C6.3
Kp4+

17

C3.7
Kp4

18

C7.8
Kp3-

19

C5.9
Kp4

20

C8.6
Kp3+

21

C4.8
Kp4-

22

C7.1
Kp2

23

C4.7
Kp2+

24

C2.9
G1

25

C2.7
Kp2+

26

C6.3
Kp1

27

C2.2
Kp4

28

C5.2
G1

29

C3.0
Kp4-

30

C7.7
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 2020:72
Last spotless day:2020/03/30

This day in history*

Solar flares
12002M6.1
21999M5.4
32001M2.0
42003M1.9
52001M1.6
ApG
1199459G3
2200328G1
3200526G2
4200123G1
5200022G1
*since 1994

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