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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October 2001

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1

M9.1
G2

2

M1.4
G3

3

C8.6
G3

4

C3.1
Kp4+

5

C3.7
Kp3

6

M2.8
Kp3

7

C2.3
Kp2

8

C4.3
G1

9

M1.4
Kp4+

10

C3.4
Kp2+

11

C4.6
G1

12

C7.6
G2

13

C5.3
Kp3

14

C8.0
Kp4

15

C3.7
Kp4-

16

C6.0
Kp3

17

M1.1
Kp2+

18

C8.5
Kp2-

19

X1.6
Kp3+

20

C7.3
Kp3+

21

M2.5
G4

22

X1.2
G3

23

M6.5
G1

24

C6.3
Kp1-

25

X1.3
Kp3

26

M2.0
Kp2

27

C9.1
Kp3-

28

M1.5
G3

29

M3.6
Kp3+

30

C9.2
Kp3

31

M3.2
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:2019/10/26Kp5 (G1)
Number of spotless days in 2019:268
Current stretch spotless days:41

This day in history*

Solar flares
12001X6.2
22006X3.4
32001M1.8
42014M1.5
52001M1.4
ApG
1200326G1
2199926G2
3199417
4200410
520109
*since 1994

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