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.

April 2017

month: year:
Monday Tuesday Wednesday Thursday Friday Saturday Sunday
     

1

M4.4
Kp4+

2

M5.7
Kp3

3

M5.8
Kp2

4

C4.9
G1

5

C1.1
Kp3+

6

C5.5
Kp3

7

C4.3
Kp3+

8

C1.2
Kp4+

9

B1.8
G1

10

B4.8
Kp2+

11

B3.9
Kp4-

12

B2.1
Kp3

13

Kp2+

14

B1.2
Kp3+

15

Kp3+

16

B4.0

17

C2.0

18

C5.5

19

B7.2

20

B8.0

21

B6.2

22

B9.6

23

B3.7

24

B2.6

25

B7.2

26

B4.5

27

28

B1.3

29

30

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

Latest news

Today's space weather

Auroral activity Minor Severe
High latitude 15% 10%
Middle latitude 1% 1%
Predicted Kp max 2
Solar activity
M-class solar flare 1%
X-class solar flare 1%
Moon phase
Waxing Crescent

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Space weather facts

Last X-flare:2015/05/05X2.7
Last M-flare:2017/04/03M5.8
Last geomagnetic storm:2017/04/23Kp6 (G2)
Number of spotless days in 2017:30
Last spotless day:2017/04/17

This day in history*

Solar flares
11998M6.8
21999M1.1
32003M1.1
42013C5.9
52002C4.8
ApG
1200327G2
2199924G1
3200721G1
4200113
5201112G1
*since 1994