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Solar flares in August 1990
C-class160
M-class25
X-class1
LargestX3.01990-08-27
Flares per day (C and above)
M/X flares per day
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| August 1989 | 157 | 52 | 5 | X20.0 |
| August 1990 | 160 | 25 | 1 | X3.0 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1990-08-27 | 20:37 | 21:05 | 79 | X3.0 | N14E26 | 6233 |
| 1990-08-10 | 18:09 | 18:14 | 63 | M7.9 | N20E72 | 6203 |
| 1990-08-26 | 16:05 | 16:20 | 193 | M5.2 | S24W07 | 6227 |
| 1990-08-28 | 12:41 | 12:49 | 98 | M4.9 | N13E17 | 6233 |
| 1990-08-28 | 08:49 | 09:10 | 64 | M4.5 | N15E15 | 6233 |
| 1990-08-30 | 13:08 | 13:16 | 101 | M2.5 | N13W08 | 6233 |
| 1990-08-27 | 19:05 | 19:14 | 81 | M2.1 | N14E26 | 6233 |
| 1990-08-08 | 13:34 | 13:58 | 66 | M1.9 | N15E71 | 6197 |
| 1990-08-27 | 03:50 | 03:56 | 22 | M1.8 | S19W32 | 6226 |
| 1990-08-28 | 18:20 | 18:29 | 65 | M1.8 | N14E13 | 6233 |
| 1990-08-28 | 20:52 | 22:33 | 167 | M1.8 | N13E13 | 6233 |
| 1990-08-01 | 19:36 | 20:02 | 93 | M1.6 | S25W42 | 6172 |
| 1990-08-24 | 08:30 | 09:20 | 230 | M1.6 | S11E03 | 6223 |
| 1990-08-29 | 20:37 | 20:40 | 129 | M1.6 | N13W03 | 6233 |
| 1990-08-24 | 23:51 | 00:01 | 23 | M1.5 | S27E19 | 6230 |
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
186 flares of class C or larger in August 1990; by M/X count it ranks 123 of 565 months.