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Solar flares in August 2003
C-class87
M-class4
X-class0
LargestM2.72003-08-19
Sunspot number114.3NOAA SWPC
Flares per day (C and above)
M/X flares per day
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| August 2002 | 285 | 43 | 4 | X3.1 |
| August 2003 | 87 | 4 | 0 | M2.7 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2003-08-19 | 09:45 | 10:06 | 40 | M2.7 | S10W57 | 10431 |
| 2003-08-19 | 07:38 | 07:59 | 23 | M2.0 | S12W63 | 10431 |
| 2003-08-05 | 12:43 | 12:49 | 8 | M1.7 | S16E33 | 10424 |
| 2003-08-02 | 23:41 | 23:54 | 21 | M1.3 | S17E63 | 10424 |
| 2003-08-14 | 23:54 | 00:18 | 51 | C7.7 | – | 10431 |
| 2003-08-14 | 06:11 | 06:51 | 83 | C6.8 | S14E08 | 10431 |
| 2003-08-02 | 19:30 | 19:46 | 24 | C5.9 | – | 10424 |
| 2003-08-01 | 01:19 | 01:26 | 13 | C5.6 | – | 10424 |
| 2003-08-19 | 18:19 | 18:26 | 12 | C5.6 | N12E53 | 10436 |
| 2003-08-21 | 15:15 | 15:22 | 10 | C4.9 | – | 10431 |
| 2003-08-14 | 22:29 | 22:44 | 48 | C4.6 | – | 10431 |
| 2003-08-26 | 15:49 | 15:59 | 17 | C4.6 | N08W54 | 10436 |
| 2003-08-01 | 03:27 | 03:34 | 30 | C4.5 | – | – |
| 2003-08-02 | 17:27 | 17:36 | 17 | C4.5 | S17E68 | 10424 |
| 2003-08-15 | 22:01 | 22:34 | 85 | C4.3 | – | – |
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
91 flares of class C or larger in August 2003; by M/X count it ranks 328 of 565 months.