Solar flares on April 25, 2002
The most powerful solar flare in 24 hours
M1.7 (strong) flare - April 25 at 12:56 AM
Solar activity index
Value as of the end of the day on April 25, 2002
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 24, 2002 to April 25, 2002
Time zone — UTC+03 (Simferopol)
List of solar flares for April 25, 2002
The total number of solar flares of class C and higher — 4 flares
C class — 3 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.6 | 21:55 | 22:05 | 22:24 | — |
| C2.5 | 08:54 | 09:02 | 09:05 | 9912 |
| C2.8 | 08:36 | 08:40 | 08:45 | 9912 |
| M1.7 | 00:46 | 00:56 | 01:01 | 9912 |