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Solar flares in August 2023
C-class196
M-class25
X-class2
LargestX1.62023-08-05
Sunspot number99.9NOAA SWPC
Flares per day (C and above)
M/X flares per day
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| August 2022 | 224 | 29 | 0 | M8.6 |
| August 2023 | 196 | 25 | 2 | X1.6 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2023-08-05 | 21:45 | 22:21 | 58 | X1.6 | – | – |
| 2023-08-07 | 20:30 | 20:46 | 47 | X1.4 | – | – |
| 2023-08-06 | 18:20 | 18:40 | 33 | M5.5 | – | – |
| 2023-08-01 | 06:28 | 06:57 | 50 | M3.6 | – | – |
| 2023-08-08 | 09:20 | 09:31 | 20 | M3.6 | – | – |
| 2023-08-07 | 04:29 | 04:41 | 21 | M2.4 | – | – |
| 2023-08-01 | 04:27 | 04:47 | 39 | M2.2 | – | – |
| 2023-08-05 | 09:23 | 09:36 | 26 | M2.1 | – | – |
| 2023-08-03 | 11:47 | 11:55 | 11 | M2.0 | – | – |
| 2023-08-04 | 03:38 | 04:24 | 92 | M1.9 | – | – |
| 2023-08-02 | 14:46 | 14:52 | 8 | M1.7 | – | – |
| 2023-08-01 | 09:03 | 09:09 | 12 | M1.5 | – | – |
| 2023-08-01 | 14:02 | 14:09 | 26 | M1.4 | – | – |
| 2023-08-07 | 19:37 | 19:51 | 20 | M1.4 | – | – |
| 2023-08-25 | 00:56 | 01:09 | 29 | M1.4 | – | – |
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
223 flares of class C or larger in August 2023; by M/X count it ranks 119 of 565 months.