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.

← Previous month

April 2017

Next month →
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
Kp1+

17

C2.0
Kp1+

18

C5.5
Kp3

19

B7.2
Kp4+

20

B8.0
G2

21

B6.2
G1

22

B9.6
G2

23

B3.7
G1

24

B2.6
Kp4

25

B7.2
Kp3

26

B4.5
Kp3-

27

Kp2+

28

B1.3
Kp2+

29

Kp2

30

B3.0
Kp2
       

Latest news

Support SpaceWeatherLive.com!

A lot of people come to SpaceWeatherLive to follow the Sun's activity or if there is aurora to be seen, but with more traffic comes higher server costs. Consider a donation if you enjoy SpaceWeatherLive so we can keep the website online!

100%

Latest alerts

Get instant alerts!

Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/09/02Kp5 (G1)
Number of spotless days in 2019:183
Current stretch spotless days:13

This day in history*

Solar flares
12005X1.1
22000M2.1
32000M2.0
42001M1.5
52005M1.3
ApG
1200552G3
2201734G2
3199927G2
4199526G1
5200120
*since 1994

Social networks