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.

August 2017

month: year:
Monday Tuesday Wednesday Thursday Friday Saturday Sunday
 

1

C1.4

2

B9.4

3

B2.4

4

5

B1.4

6

B1.5

7

8

9

10

11

12

13

14

C2.7

15

C1.1

16

B5.2

17

B6.8

18

C4.4

19

C7.0

20

M1.1

21

22

23

24

25

26

27

28

29

30

31

   
       
Current data suggest that it is not possible to see aurora now at middle latitudes
The solar wind speed is currently high (722.9 km/sec.)

Latest news

Today's space weather

Auroral activity Minor Severe
High latitude 30% 50%
Middle latitude 10% 1%
Predicted Kp max 5
Solar activity
M-class solar flare 15%
X-class solar flare 1%
M1.1 C1.8 B6.6 C2.9 B6.1 C1.0
Moon phase
Waning Crescent

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Space weather facts

Last X-flare:2015/05/05X2.7
Last M-flare:2017/08/20M1.1
Last geomagnetic storm:2017/08/19Kp5 (G1)
Number of spotless days in 2017:56
Last spotless day:2017/08/01

This day in history*

Solar flares
11999M9.8
22002M5.0
32002M3.4
41999M1.8
52002M1.4
ApG
1199936G2
2200230G2
3200622G2
4200317G1
5199817
*since 1994