Solar flares on February 4, 2015
The most powerful solar flare in 24 hours
M1.2 (strong) flare - February 4 at 2:15 AM
Solar activity index
Value as of the end of the day on February 4, 2015
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from February 3, 2015 to February 4, 2015
Time zone — UTC+00 (London)
List of solar flares for February 4, 2015
The total number of solar flares of class C and higher — 3 flares
C class — 2 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.0 | 18:43 | 19:12 | 19:37 | 2280 |
| C2.2 | 10:03 | 10:07 | 10:09 | 2277 |
| M1.2 | 02:08 | 02:15 | 02:21 | 2277 |