Solar flares on April 18, 2015
The most powerful solar flare in 24 hours
C5.2 (normal) flare - April 18 at 8:19 AM
Solar activity index
Value as of the end of the day on April 18, 2015
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 17, 2015 to April 18, 2015
Time zone — UTC-06 (Edmonton) — summer time
List of solar flares for April 18, 2015
The total number of solar flares of class C and higher — 5 flares
C class — 5 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.4 | 21:20 | 21:30 | 21:39 | 2321 |
| C1.5 | 18:52 | 18:57 | 19:03 | 2324 |
| C2.9 | 12:09 | 12:25 | 12:38 | 2321 |
| C5.2 | 08:03 | 08:19 | 08:39 | 2321 |
| C2.3 | 07:26 | 07:37 | 07:46 | 2325 |