Solar flares on March 15, 2011
The most powerful solar flare in 24 hours
M1.0 (strong) flare - March 15 at 3:22 AM
Solar activity index
Value as of the end of the day on March 15, 2011
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from March 14, 2011 to March 15, 2011
Time zone — UTC+03 (Moscow)
List of solar flares for March 15, 2011
The total number of solar flares of class C and higher — 8 flares
C class — 7 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.9 | 20:28 | 20:35 | 20:39 | 1169 |
| C1.1 | 14:21 | 14:25 | 14:27 | 1169 |
| C2.6 | 12:25 | 12:42 | 12:58 | 1169 |
| C1.5 | 11:46 | 11:52 | 12:09 | 1169 |
| C1.4 | 09:52 | 09:57 | 10:07 | 1169 |
| C2.1 | 08:04 | 08:18 | 08:28 | 1166 |
| M1.0 | 03:18 | 03:22 | 03:24 | 1169 |
| C5.2 | 02:17 | 02:37 | 02:51 | 1169 |