Solar flares on October 4, 2015
The most powerful solar flare in 24 hours
M1.0 (strong) flare - October 4 at 3:41 AM
Solar activity index
Value as of the end of the day on October 4, 2015
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 3, 2015 to October 4, 2015
Time zone — UTC+01 (London) — summer time
List of solar flares for October 4, 2015
The total number of solar flares of class C and higher — 1 flare
C class — 0 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M1.0 | 03:34 | 03:41 | 03:48 | 2422 |