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Solar flares in August 2012
C-class117
M-class10
X-class0
LargestM5.52012-08-18
Sunspot number85.8NOAA SWPC
Flares per day (C and above)
M/X flares per day
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| August 2011 | 93 | 7 | 1 | X6.9 |
| August 2012 | 117 | 10 | 0 | M5.5 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2012-08-18 | 00:24 | 01:02 | 43 | M5.5 | N21W65 | 11543 |
| 2012-08-17 | 13:12 | 13:19 | 11 | M2.4 | – | – |
| 2012-08-18 | 16:02 | 16:07 | 7 | M2.0 | N22E80 | 11548 |
| 2012-08-18 | 03:17 | 03:23 | 13 | M1.9 | N19E86 | – |
| 2012-08-06 | 04:33 | 04:38 | 8 | M1.6 | – | – |
| 2012-08-18 | 23:15 | 23:22 | 17 | M1.3 | N19E76 | 11548 |
| 2012-08-30 | 12:02 | 12:11 | 12 | M1.3 | – | – |
| 2012-08-11 | 11:55 | 12:20 | 62 | M1.0 | S25W30 | 11544 |
| 2012-08-17 | 17:08 | 17:20 | 19 | M1.0 | – | – |
| 2012-08-18 | 22:46 | 22:54 | 14 | M1.0 | N19E78 | 11548 |
| 2012-08-06 | 00:39 | 00:45 | 9 | C9.4 | – | – |
| 2012-08-09 | 11:36 | 11:47 | 24 | C8.5 | S15E49 | 11542 |
| 2012-08-31 | 19:45 | 20:43 | 126 | C8.4 | N03E15 | 11560 |
| 2012-08-30 | 08:31 | 09:12 | 45 | C7.6 | S24E68 | – |
| 2012-08-18 | 14:18 | 14:27 | 12 | C7.3 | N20E81 | 11548 |
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
127 flares of class C or larger in August 2012; by M/X count it ranks 243 of 565 months.