Solar flares on October 18, 2015
The most powerful solar flare in 24 hours
C6.6 (normal) flare - October 18 at 12:35 AM
Solar activity index
Value as of the end of the day on October 18, 2015
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 17, 2015 to October 18, 2015
Time zone — UTC+01 (London) — summer time
List of solar flares for October 18, 2015
The total number of solar flares of class C and higher — 4 flares
C class — 4 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.4 | 21:02 | 21:08 | 21:13 | 2437 |
| C1.3 | 08:24 | 08:30 | 08:50 | 2436 |
| C1.5 | 06:08 | 06:11 | 06:13 | 2436 |
| C6.6 | 00:18 | 00:35 | 00:48 | 2437 |