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Solar flares in August 2015
C-class119
M-class11
X-class0
LargestM5.62015-08-24
Sunspot number61.7NOAA SWPC
Flares per day (C and above)
M/X flares per day
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| August 2014 | 120 | 7 | 0 | M5.9 |
| August 2015 | 119 | 11 | 0 | M5.6 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2015-08-24 | 07:26 | 07:33 | 9 | M5.6 | S15W04 | 12403 |
| 2015-08-22 | 21:19 | 21:24 | 9 | M3.5 | S15E15 | 12403 |
| 2015-08-27 | 04:48 | 05:44 | 75 | M2.9 | S16W47 | 12403 |
| 2015-08-28 | 13:04 | 13:16 | 19 | M2.2 | S14W65 | 12403 |
| 2015-08-28 | 18:56 | 19:03 | 10 | M2.1 | S13W70 | 12403 |
| 2015-08-21 | 09:34 | 09:48 | 33 | M1.4 | S16E27 | 12403 |
| 2015-08-30 | 02:01 | 03:30 | 142 | M1.4 | – | – |
| 2015-08-21 | 01:56 | 02:18 | 41 | M1.2 | S16E39 | 12403 |
| 2015-08-22 | 06:39 | 06:49 | 20 | M1.2 | S16E23 | 12403 |
| 2015-08-21 | 19:10 | 20:34 | 100 | M1.1 | S12E26 | 12403 |
| 2015-08-24 | 17:40 | 17:46 | 9 | M1.0 | – | – |
| 2015-08-26 | 13:41 | 13:53 | 39 | C9.5 | S16W38 | 12403 |
| 2015-08-28 | 02:42 | 02:51 | 24 | C8.0 | S13W59 | 12403 |
| 2015-08-22 | 08:34 | 08:43 | 14 | C6.7 | S15E18 | 12403 |
| 2015-08-24 | 07:08 | 07:12 | 7 | C6.7 | S15W04 | 12403 |
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
130 flares of class C or larger in August 2015; by M/X count it ranks 231 of 565 months.