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.

December 2016

month: year:
Monday Tuesday Wednesday Thursday Friday Saturday Sunday
   

1

B3.7
Kp2-

2

B2.4
Kp1+

3

B2.8
Kp1

4

C1.8
Kp1-

5

C1.2
Kp2+

6

B2.9
Kp3+

7

B3.6
Kp3

8

Kp4+

9

B1.5
G1

10

C4.0
Kp4

11

B1.3
Kp4+

12

Kp2+

13

Kp2-

14

Kp1+

15

B2.5
Kp1

16

B2.1
Kp1

17

Kp3+

18

Kp3

19

Kp2

20

Kp3-

21

B2.7
G2

22

G1

23

Kp4

24

Kp3+

25

Kp4

26

B8.3
G1

27

B3.1
Kp4-

28

Kp2

29

B1.3
Kp2

30

B2.2
Kp1+

31

B2.4
Kp3+
 
       
Current data suggest that it is not possible to see aurora now at middle latitudes
The solar wind speed is currently moderately high (584 km/sec.)

Latest news

Today's space weather

Auroral activity Minor Severe
High latitude 25% 40%
Middle latitude 10% 1%
Predicted Kp max 4
Solar activity
M-class solar flare 1%
X-class solar flare 1%
Moon phase
Waning Crescent

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31%

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Space weather facts

Last X-flare:2015/05/05X2.7
Last M-flare:2017/07/14M2.4
Last geomagnetic storm:2017/07/17Kp6 (G2)
Number of spotless days in 2017:48
Current stretch spotless days:5

This day in history*

Solar flares
12004M9.1
22000M3.7
32004M1.6
42004M1.2
52000M1.0
ApG
1200431G3
2199925G1
3200924G2
4200216
5200512
*since 1994