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. You can choose a viewing mode to quickly look for days with interesting space weather and pick a day to view the archived data for that day with more detailed space weather data.

Previous month

April 2000

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

1

M1.2
Kp4

2

C8.74
Kp4

3

C5.44
Kp3

4

M1.54
Kp5
S1

5

C2.3
Kp4+
S1

6

M2.7
Kp8+
S1

7

C3.53
Kp9-

8

M2.97
Kp3

9

M4.54
Kp4-

10

M1.23
Kp4

11

M1.63
Kp3+

12

M1.96
Kp3-

13

C4.27
Kp4-

14

M1.03
Kp1+

15

M6.14
Kp3-

16

C9.14
Kp4+

17

C5.41
Kp4

18

M1.12
Kp3-

19

C8.46
Kp4

20

M1.24
Kp3+

21

C6.97
Kp4-

22

M1.03
Kp2

23

C6.77
Kp2+

24

C4.14
Kp5+

25

C3.91
Kp2+

26

C9.11
Kp1

27

C3.29
Kp4

28

C7.46
Kp5-

29

C4.41
Kp4-

30

M1.11
Kp4+
       

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!

63%
Support SpaceWeatherLive with our merchandise
Check out our merchandise

Latest alerts

Get instant alerts!

Space weather facts

Last X-flare2024/05/15X2.9
Last M-flare2024/05/24M1.4
Last geomagnetic storm2024/05/17Kp6 (G2)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
April 2024136.5 +31.6
May 2024148.8 +12.3
Last 30 days142.7 +6.6

This day in history*

Solar flares
12003M2.81
21999M1.71
32003M1.47
42023M1.3
52005M1.23
ApG
11967146G5
2195252G4
3199047G3
4196678G3
5195142G3
*since 1994

Social networks