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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1

B9.0
Kp1+

2

Kp2-

3

B2.1
Kp2

4

Kp2-

5

Kp3

6

A1.1
Kp2-

7

Kp2

8

Kp2+

9

Kp4+

10

Kp4

11

Kp4+

12

A9.5
Kp3

13

Kp4-

14

B2.4
Kp2

15

B3.5
Kp2+

16

Kp1

17

Kp1

18

B4.0
Kp2

19

Kp1

20

B5.3
G2

21

B2.0
Kp3+

22

Kp2-

23

B1.0
Kp3

24

B2.1
Kp2

25

Kp2

26

Kp2-

27

Kp3-

28

B1.5
Kp2-

29

Kp1+

30

B1.1
Kp2+
      

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Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/09/28Kp5 (G1)
Number of spotless days in 2019:212
Current stretch spotless days:14

This day in history*

Solar flares
12014M4.3
22010M2.9
32000M2.5
42015M1.1
52013C8.9
ApG
1200329G1
2199926G1
3200218G2
4201617G1
5201310
*since 1994

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