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Solar flares in July 1990
C-class142
M-class13
X-class0
LargestM7.61990-07-04
Flares per day (C and above)
M/X flares per day
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| July 1989 | 170 | 8 | 1 | X2.6 |
| July 1990 | 142 | 13 | 0 | M7.6 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1990-07-04 | 16:40 | 16:48 | 64 | M7.6 | N21E29 | 6138 |
| 1990-07-04 | 17:31 | 17:39 | 50 | M4.8 | S22W22 | 6131 |
| 1990-07-30 | 06:33 | 07:32 | 134 | M4.4 | N20E45 | 6180 |
| 1990-07-26 | 16:59 | 17:03 | 20 | M3.3 | N13W17 | 6162 |
| 1990-07-13 | 09:59 | 11:30 | 163 | M3.1 | – | – |
| 1990-07-25 | 22:23 | 23:24 | 186 | M2.3 | S15E55 | 6174 |
| 1990-07-06 | 05:32 | 05:52 | 70 | M2.2 | N17W15 | – |
| 1990-07-05 | 03:46 | 03:48 | 62 | M1.3 | N17E03 | 6133 |
| 1990-07-12 | 13:41 | 13:48 | 26 | M1.2 | S10W11 | 6151 |
| 1990-07-08 | 00:36 | 00:48 | 32 | M1.1 | S21W70 | 6131 |
| 1990-07-08 | 22:18 | 23:34 | 113 | M1.1 | – | – |
| 1990-07-01 | 01:41 | 01:43 | 28 | M1.0 | S22E27 | 6131 |
| 1990-07-18 | 06:26 | 06:30 | 9 | M1.0 | S27E63 | 6161 |
| 1990-07-02 | 19:34 | 19:38 | 7 | C9.0 | – | – |
| 1990-07-10 | 12:28 | 12:28 | 5 | C8.3 | N16W69 | 6133 |
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
155 flares of class C or larger in July 1990; by M/X count it ranks 205 of 565 months.