Solar flares on March 18, 2013
The most powerful solar flare in 24 hours
C4.3 (normal) flare - March 18 at 9:17 PM
Solar activity index
Value as of the end of the day on March 18, 2013
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from March 17, 2013 to March 18, 2013
Time zone — UTC-04 (Providence) — summer time
List of solar flares for March 18, 2013
The total number of solar flares of class C and higher — 8 flares
C class — 8 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C4.3 | 20:51 | 21:17 | 21:36 | 1698 |
| C1.4 | 18:55 | 19:05 | 19:25 | 1698 |
| C1.3 | 16:54 | 16:58 | 17:02 | 1698 |
| C1.2 | 07:27 | 07:35 | 07:40 | 1698 |
| C1.2 | 03:49 | 03:54 | 03:59 | 1698 |
| C1.5 | 02:57 | 03:00 | 03:03 | 1698 |
| C2.1 | 02:27 | 02:32 | 02:41 | 1698 |
| C1.7 | 01:59 | 02:05 | 02:10 | — |