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Solar flares in August 2001
C-class274
M-class22
X-class1
LargestX5.32001-08-25
Sunspot number159.4NOAA SWPC
Flares per day (C and above)
M/X flares per day
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| August 2000 | 135 | 3 | 0 | M1.9 |
| August 2001 | 274 | 22 | 1 | X5.3 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2001-08-25 | 16:23 | 16:45 | 41 | X5.3 | S17E34 | 9591 |
| 2001-08-05 | 22:16 | 22:24 | 13 | M4.9 | S20W49 | 9557 |
| 2001-08-24 | 23:47 | 00:17 | 57 | M3.5 | S18E44 | 9591 |
| 2001-08-30 | 20:34 | 20:38 | 7 | M3.0 | N15E44 | 9601 |
| 2001-08-31 | 22:27 | 22:42 | 18 | M2.9 | N14E25 | 9601 |
| 2001-08-27 | 06:31 | 06:38 | 25 | M1.9 | – | – |
| 2001-08-05 | 15:22 | 15:31 | 14 | M1.7 | – | 9557 |
| 2001-08-29 | 05:03 | 05:23 | 31 | M1.6 | – | 9600 |
| 2001-08-31 | 10:35 | 10:42 | 10 | M1.6 | N15E37 | 9601 |
| 2001-08-03 | 03:02 | 03:07 | 7 | M1.5 | N22E27 | 9563 |
| 2001-08-21 | 21:51 | 21:57 | 9 | M1.5 | – | – |
| 2001-08-30 | 17:45 | 17:57 | 26 | M1.5 | S21W28 | 9591 |
| 2001-08-26 | 12:06 | 13:06 | 77 | M1.3 | – | – |
| 2001-08-24 | 22:31 | 22:54 | 42 | M1.2 | – | – |
| 2001-08-25 | 09:09 | 09:28 | 23 | M1.2 | S18E31 | 9591 |
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
297 flares of class C or larger in August 2001; by M/X count it ranks 141 of 565 months.