Solar Flare WatchSolar flares in 2011
C1200
M111
X8
LargestX6.92011-08-09
M/X flares by month
- January 2011
- February 2011
- March 2011
- April 2011
- May 2011
- June 2011
- July 2011
- August 2011
- September 2011
- October 2011
- November 2011
- December 2011
Nearby years (M + X)
14
10
1
0
23
119
130
111
221
106
16
Top 20 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2011-08-09 | 07:48 | 08:05 | 20 | X6.9 | – | 11263 |
| 2011-02-15 | 01:44 | 01:56 | 22 | X2.2 | – | 11158 |
| 2011-09-06 | 22:12 | 22:20 | 12 | X2.1 | – | 11283 |
| 2011-09-24 | 09:21 | 09:40 | 27 | X1.9 | – | 11302 |
| 2011-11-03 | 20:16 | 20:27 | 16 | X1.9 | – | 11339 |
| 2011-09-07 | 22:32 | 22:38 | 12 | X1.8 | – | 11283 |
| 2011-03-09 | 23:13 | 23:23 | 16 | X1.5 | – | 11166 |
| 2011-09-22 | 10:29 | 11:01 | 75 | X1.4 | – | 11302 |
| 2011-07-30 | 02:04 | 02:09 | 8 | M9.3 | – | 11261 |
| 2011-08-04 | 03:41 | 03:57 | 23 | M9.3 | – | 11261 |
| 2011-09-25 | 04:31 | 04:50 | 34 | M7.4 | – | 11302 |
| 2011-09-24 | 12:33 | 13:20 | 97 | M7.1 | – | 11302 |
| 2011-09-08 | 15:32 | 15:46 | 20 | M6.7 | – | 11283 |
| 2011-02-13 | 17:28 | 17:38 | 19 | M6.6 | – | 11158 |
| 2011-02-18 | 09:55 | 10:11 | 20 | M6.6 | – | 11158 |
| 2011-08-03 | 13:17 | 13:48 | 53 | M6.0 | – | 11261 |
| 2011-09-24 | 20:29 | 20:36 | 13 | M5.8 | – | 11302 |
| 2011-03-08 | 10:35 | 10:44 | 20 | M5.3 | – | 11165 |
| 2011-09-06 | 01:35 | 01:50 | 30 | M5.3 | – | 11283 |
| 2011-03-08 | 18:08 | 18:28 | 33 | M4.4 | – | 11165 |
All times UTC. Until June 2017 classes are NOAA's reports of the time (GOES-15 and earlier included a 0.7 scaling factor); later classes come from calibrated GOES-16/18 data, so the same flare reads about 1.4× larger. Do not compare the two periods directly.
About this page
1,319 flares of class C+ in 2011: 111 M-class and 8 X-class.