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 2005

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1

Kp2+

2

Kp1+

3

B2.7
Kp2

4

B2.9
G2

5

C1.1
G3

6

C1.6
Kp4-

7

B5.6
Kp3-

8

Kp2+

9

B8.2
Kp2-

10

B8.2
Kp1

11

C1.0
Kp4

12

C2.0
G1

13

G1

14

B2.9
Kp4+

15

Kp4-

16

B7.7
Kp3

17

C4.6
Kp2+

18

B3.7
Kp3-

19

B8.0
Kp3-

20

G1

21

Kp2-

22

B1.1
Kp3

23

B3.0
Kp2+

24

B5.7
Kp3

25

B7.1
Kp3+

26

C5.3
Kp1

27

B4.3
Kp1+

28

C3.0
Kp1+

29

C1.7
Kp4-

30

C1.0
G1
 
       

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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 days309 days
2020147 days (77%)
Current stretch5 days

This day in history*

Solar flares
12000M5.7
22003M3.6
32012M2.0
42000M1.9
52000M1.8
ApG
1200557G2
2201326
3200020G1
4201915G1
5201212
*since 1994

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