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 2018

Next month
Monday
Mon.
Tuesday
Tues.
Wednesday
Wed.
Thursday
Thurs.
Friday
Fri.
Saturday
Sat.
Sunday
Sun.
      

1

C1.28
Kp1+

2

-
Kp2-

3

B2.85
Kp2

4

-
Kp2-

5

-
Kp3

6

A1.57
Kp2-

7

-
Kp2

8

-
Kp2+

9

-
Kp4+

10

-
Kp4

11

-
Kp4+

12

B1.16
Kp3

13

-
Kp4-

14

B3.43
Kp2

15

B4.99
Kp2+

16

-
Kp1

17

-
Kp1

18

B5.62
Kp2

19

-
Kp1

20

B7.52
G2

21

B2.71
Kp3+

22

-
Kp2-

23

B1.28
Kp3

24

B2.93
Kp2

25

-
Kp2

26

-
Kp2-

27

-
Kp3-

28

B2.08
Kp2-

29

-
Kp1+

30

B1.54
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!

44%
Support SpaceWeatherLive with our merchandise
Check out our merchandise

Latest alerts

Get instant alerts!

Space weather facts

Last X-flare2024/03/28X1.1
Last M-flare2024/04/19M1.0
Last geomagnetic storm2024/04/19Kp7 (G3)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
March 2024104.9 -19.8

This day in history*

Solar flares
12022X2.25
22022M7.29
32001M5.99
41998M1.96
52022M1.9
ApG
1200270G3
2201843G2
3201728G2
4201422G1
5201116G1
*since 1994

Social networks