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 2018

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1

Kp2

2

Kp2

3

Kp1+

4

Kp3

5

Kp3+

6

A2.0
Kp2

7

Kp2+

8

Kp2+

9

Kp3-

10

A3.5
G1

11

B1.0
G2

12

Kp4

13

A1.8
Kp4

14

Kp4+

15

Kp3-

16

A1.0

17

18

19

20

21

22

23

24

25

26

27

28

29

30

       
Current data suggest that it is not possible to see aurora now at middle latitudes

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Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2018/09/22Kp5 (G1)
Number of spotless days in 2018:153
Current stretch spotless days:13

This day in history*

Solar flares
12001M7.6
22011M7.4
32011M4.4
42011M3.7
52000M3.4
ApG
11998117G4
2200133G3
3200328
4201622
5200019
*since 1994

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