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 2019

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1

G1

2

G1

3

Kp3

4

Kp3

5

Kp4

6

Kp3+

7

Kp2+

8

Kp3-

9

Kp3+

10

Kp2

11

Kp2

12

Kp2

13

Kp3-

14

Kp2

15

Kp3

16

Kp4

17

Kp4-

18

A1.7
Kp3

19

Kp1+

20

Kp1

21

Kp2+

22

Kp2+

23

A1.1
Kp1+

24

Kp4-

25

Kp2

26

Kp2+

27

G1

28

G1

29

Kp4-

30

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
Last spotless day:2020/03/30

This day in history*

Solar flares
12001M5.5
22017M4.4
32001M4.0
42001M1.2
52001M1.0
ApG
1200138G2
2200729G1
3200318G1
4200218
5201715
*since 1994

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