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Solar flares in March 2003
C-class98
M-class7
X-class2
LargestX1.52003-03-17
Sunspot number119.7NOAA SWPC
Flares per day (C and above)
M/X flares per day
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| March 2002 | 166 | 15 | 0 | M5.7 |
| March 2003 | 98 | 7 | 2 | X1.5 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2003-03-17 | 18:50 | 19:05 | 26 | X1.5 | S14W39 | 10314 |
| 2003-03-18 | 11:51 | 12:08 | 29 | X1.5 | S15W46 | 10314 |
| 2003-03-19 | 09:34 | 09:53 | 26 | M3.7 | S15W57 | 10314 |
| 2003-03-18 | 05:51 | 06:00 | 11 | M2.5 | S15W46 | 10314 |
| 2003-03-18 | 00:30 | 00:37 | 12 | M1.6 | S15W44 | 10314 |
| 2003-03-19 | 06:36 | 06:46 | 13 | M1.6 | S12W60 | 10314 |
| 2003-03-19 | 02:58 | 03:07 | 83 | M1.5 | – | – |
| 2003-03-20 | 11:25 | 11:31 | 12 | M1.5 | S04W75 | 10314 |
| 2003-03-19 | 13:25 | 13:32 | 13 | M1.4 | S07W61 | 10314 |
| 2003-03-20 | 02:21 | 02:31 | 13 | C9.2 | S13W72 | 10314 |
| 2003-03-15 | 20:00 | 20:16 | 32 | C8.4 | – | 10314 |
| 2003-03-29 | 18:31 | 18:39 | 15 | C8.2 | S13W21 | 10318 |
| 2003-03-17 | 16:35 | 16:50 | 26 | C7.7 | S14W39 | 10314 |
| 2003-03-18 | 03:32 | 04:05 | 54 | C7.5 | S15W43 | 10314 |
| 2003-03-29 | 10:11 | 10:15 | 14 | C7.2 | S12W14 | 10318 |
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
107 flares of class C or larger in March 2003; by M/X count it ranks 257 of 565 months.