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Solar flares in June 2003
C-class136
M-class41
X-class4
LargestX1.72003-06-09
Sunspot number118.4NOAA SWPC
Flares per day (C and above)
M/X flares per day
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| June 2002 | 75 | 4 | 0 | M1.6 |
| June 2003 | 136 | 41 | 4 | X1.7 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2003-06-09 | 21:31 | 21:39 | 12 | X1.7 | – | 10375 |
| 2003-06-11 | 20:01 | 20:14 | 26 | X1.6 | N14W57 | 10375 |
| 2003-06-10 | 23:19 | 00:02 | 53 | X1.3 | N10W40 | 10375 |
| 2003-06-15 | 23:25 | 23:56 | 60 | X1.3 | S07E80 | 10386 |
| 2003-06-12 | 01:04 | 01:30 | 48 | M7.3 | – | 10375 |
| 2003-06-17 | 22:27 | 22:55 | 45 | M6.8 | – | 10386 |
| 2003-06-02 | 00:07 | 00:22 | 36 | M6.5 | – | 10365 |
| 2003-06-10 | 18:08 | 18:15 | 18 | M5.6 | – | 10375 |
| 2003-06-10 | 10:55 | 11:12 | 20 | M5.1 | N11W45 | 10375 |
| 2003-06-09 | 11:21 | 11:28 | 12 | M4.7 | N11W29 | 10375 |
| 2003-06-11 | 16:21 | 16:36 | 29 | M4.5 | N12W59 | 10375 |
| 2003-06-08 | 16:05 | 16:11 | 10 | M4.0 | S19E62 | 10380 |
| 2003-06-02 | 08:12 | 08:37 | 40 | M3.9 | S07W89 | 10365 |
| 2003-06-10 | 16:28 | 16:30 | 4 | M3.9 | – | 10375 |
| 2003-06-11 | 14:37 | 15:27 | 70 | M3.7 | N10W61 | 10375 |
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
181 flares of class C or larger in June 2003; by M/X count it ranks 53 of 565 months.