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Solar flares in June 1990
C-class139
M-class21
X-class0
LargestM6.41990-06-12
Flares per day (C and above)
M/X flares per day
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| June 1989 | 174 | 90 | 6 | X4.1 |
| June 1990 | 139 | 21 | 0 | M6.4 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1990-06-12 | 04:55 | 05:29 | 160 | M6.4 | N10W33 | 6089 |
| 1990-06-07 | 18:59 | 19:30 | 239 | M4.5 | – | – |
| 1990-06-11 | 09:34 | 09:48 | 85 | M4.5 | N10W22 | 6089 |
| 1990-06-29 | 22:29 | 22:35 | 54 | M3.8 | N16E68 | 6133 |
| 1990-06-10 | 14:30 | 15:06 | 82 | M3.3 | N08W13 | 6089 |
| 1990-06-15 | 08:23 | 08:44 | 55 | M3.1 | S31E28 | 6106 |
| 1990-06-28 | 14:11 | 14:17 | 13 | M2.9 | N19E85 | 6133 |
| 1990-06-09 | 16:39 | 16:48 | 36 | M2.5 | N08W01 | 6089 |
| 1990-06-10 | 06:56 | 07:27 | 209 | M2.3 | N10W10 | 6089 |
| 1990-06-28 | 20:23 | 20:34 | 26 | M2.1 | N18E86 | 6133 |
| 1990-06-06 | 20:24 | 20:39 | 30 | M1.9 | S18W76 | 6093 |
| 1990-06-26 | 19:34 | 19:37 | 30 | M1.8 | S21E29 | 6122 |
| 1990-06-10 | 21:39 | 22:10 | 101 | M1.7 | N09W17 | 6089 |
| 1990-06-27 | 21:06 | 21:13 | 27 | M1.5 | – | – |
| 1990-06-09 | 14:13 | 14:23 | 100 | M1.4 | S14E75 | 6100 |
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
160 flares of class C or larger in June 1990; by M/X count it ranks 156 of 565 months.