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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September 2000

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1

C9.1
Kp4-

2

C2.3
Kp4+

3

C4.2
Kp3

4

M1.3
G2

5

C6.3
Kp3

6

C2.7
Kp4

7

C7.2
Kp3+

8

C1.1
Kp4-

9

M1.6
Kp2+

10

C1.4
Kp2-

11

C4.2
Kp2+

12

M1.0
Kp4+

13

C2.2
Kp4

14

M1.1
Kp2

15

M2.1
G1

16

M5.9
G2

17

C5.4
G4

18

C8.6
G4

19

M5.1
G2

20

C4.1
Kp4-

21

C4.1
Kp3

22

C8.5
Kp3-

23

C8.6
Kp3

24

M4.3
G1

25

M3.4
Kp4

26

C8.2
G1

27

C9.6
Kp3+

28

C4.7
Kp4-

29

C5.9
Kp2+

30

X1.2
G2
 
       

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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
12001M8.4
22001M5.1
32001M3.1
42013M2.2
52004M1.7
ApG
1201055G4
2200550G3
3199441G2
4200629G1
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*since 1994

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