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 2001

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

1

M5.5
G2

2

X20.0
G1

3

X1.2
Kp3-

4

M2.0
G1

5

M8.4
Kp4+

6

X5.6
Kp3+

7

C2.3
G1

8

G3

9

M7.9
G1

10

X2.3
Kp3+

11

M2.3
G4

12

X2.0
G3

13

B9.5
G3

14

M1.0
Kp4+

15

X14.4
Kp4+

16

M1.1
Kp3+

17

M1.3
Kp2+

18

C2.2
G3

19

M2.0
Kp3-

20

M4.1
Kp3-

21

C4.8
Kp3+

22

M3.2
G2

23

M4.0
Kp4+

24

M3.1
Kp2+

25

M2.7
Kp2+

26

M7.8
Kp3-

27

M1.2
Kp1+

28

C7.0
G2

29

C3.2
Kp4+

30

C5.1
Kp1
      

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!

12%

Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2020/02/19Kp5 (G1)
Number of spotless days in 2020:76
Current stretch spotless days:5

This day in history*

Solar flares
12001M7.9
22000M3.1
32003M2.5
42002M2.1
52002M1.1
ApG
1199452G2
2200646G2
3199525G1
4200322G1
5200120G1
*since 1994

Social networks