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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February 2015

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1

C3.2
G1

2

C2.6
G1

3

C3.9
Kp4

4

M1.2
Kp3

5

C3.3
Kp3+

6

C1.5
Kp3-

7

C2.3
Kp3+

8

C3.1
Kp3

9

M2.4
Kp3

10

C8.3
Kp3

11

C1.0
Kp3

12

C6.0
Kp2

13

B9.6
Kp1

14

B7.1
Kp2-

15

B9.0
Kp3

16

B8.8
Kp3-

17

B7.3
G1

18

C3.5
G1

19

C1.2
Kp3

20

C2.3
Kp2

21

C1.2
Kp3-

22

B9.2
Kp2+

23

C1.1
Kp4-

24

C1.4
G1

25

Kp3

26

B4.2
Kp2-

27

C1.0
Kp1+

28

C5.6
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
Current stretch spotless days:22

This day in history*

Solar flares
12000M4.1
22001M2.1
32000M2.0
42000M1.8
52014M1.4
ApG
12001192G4
2200343G2
3201727G1
4200023G1
5200220
*since 1994

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