Solar Flare WatchHome › Flare history › 2003
Solar flares in January 2003
C-class112
M-class8
X-class0
LargestM4.92003-01-07
Sunspot number150.0NOAA SWPC
Flares per day (C and above)
M/X flares per day
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| January 2002 | 182 | 22 | 0 | M9.5 |
| January 2003 | 112 | 8 | 0 | M4.9 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2003-01-07 | 23:25 | 23:33 | 15 | M4.9 | S81E14 | 10251 |
| 2003-01-23 | 12:28 | 12:43 | 21 | M2.5 | S22E17 | 10266 |
| 2003-01-21 | 14:59 | 15:26 | 53 | M1.9 | – | – |
| 2003-01-24 | 03:12 | 03:27 | 28 | M1.9 | S22E10 | 10266 |
| 2003-01-22 | 04:35 | 04:44 | 15 | M1.2 | N15W05 | 10260 |
| 2003-01-07 | 07:29 | 07:50 | 42 | M1.0 | S24E07 | 10244 |
| 2003-01-09 | 05:32 | 05:37 | 12 | M1.0 | S14E64 | 10251 |
| 2003-01-23 | 04:42 | 04:48 | 14 | M1.0 | – | – |
| 2003-01-09 | 01:27 | 01:39 | 36 | C9.8 | S07W24 | 10242 |
| 2003-01-21 | 02:23 | 02:28 | 10 | C8.1 | – | – |
| 2003-01-07 | 08:28 | 08:33 | 10 | C7.7 | – | 10242 |
| 2003-01-14 | 06:20 | 06:36 | 31 | C6.4 | – | – |
| 2003-01-08 | 05:40 | 05:52 | 40 | C6.2 | S22W05 | 10244 |
| 2003-01-12 | 14:12 | 14:25 | 31 | C6.1 | – | – |
| 2003-01-23 | 04:25 | 04:34 | 16 | C6.0 | S22E21 | 10266 |
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.
← December 2002February 2003 →
About this page
120 flares of class C or larger in January 2003; by M/X count it ranks 268 of 565 months.