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Solar flares in August 1989
C-class157
M-class52
X-class5
LargestX20.01989-08-16
Flares per day (C and above)
M/X flares per day
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| August 1988 | 114 | 7 | 0 | M2.4 |
| August 1989 | 157 | 52 | 5 | X20.0 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1989-08-16 | 01:08 | 01:17 | 80 | X20.0 | S18W84 | 5629 |
| 1989-08-14 | 00:31 | 00:56 | 67 | X3.5 | S16W60 | 5629 |
| 1989-08-17 | 01:32 | 01:35 | 7 | X2.9 | S19W88 | 5629 |
| 1989-08-12 | 13:57 | 14:24 | 134 | X2.6 | S16W37 | 5629 |
| 1989-08-15 | 01:59 | 02:54 | 194 | X1.0 | S18W73 | 5629 |
| 1989-08-07 | 20:21 | 20:54 | 119 | M7.6 | S26W38 | 5622 |
| 1989-08-30 | 16:48 | 16:53 | 25 | M7.1 | S15E77 | 5669 |
| 1989-08-29 | 14:53 | 14:55 | 76 | M6.8 | S16E83 | 5669 |
| 1989-08-11 | 22:43 | 23:10 | 71 | M5.7 | S18W32 | 5629 |
| 1989-08-15 | 20:48 | 20:51 | 24 | M5.2 | S16W82 | 5629 |
| 1989-08-06 | 23:47 | – | 13 | M4.8 | S27W24 | 5622 |
| 1989-08-29 | 12:42 | 13:04 | 54 | M4.7 | S15E73 | 5669 |
| 1989-08-15 | 22:09 | 22:10 | 7 | M4.1 | S16W88 | 5629 |
| 1989-08-30 | 02:39 | 02:44 | 50 | M4.0 | S19E68 | 5669 |
| 1989-08-15 | 13:29 | 13:57 | 111 | M3.9 | S17W79 | 5629 |
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
214 flares of class C or larger in August 1989; by M/X count it ranks 27 of 565 months.