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X8.9 solar flare on 2024-10-03
ClassX8.9GOES-16 science data
Peak12:182024-10-03 UTC
Duration18 min
Peak flux8.9e-04W/m²
| Comparison | Value |
|---|---|
| Rank among X flares (since Jun 2017) | 3 / 108 |
| Rank in year | 1 / 3708 |
| Other M/X flares that day | 7 |
| M/X flares that month | 82 |
| Solar cycle | Cycle 25 |
Compared with the strongest flares of 2024
X8.9
X8.6
X7.0
X5.8
X4.4
X4.4
X3.9
X3.4
X3.3
X3.2
X2.9
X2.8
Other M/X flares that day
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 02:23 | 02:34 | 24 | M1.1 | – | – | |
| 03:22 | 03:41 | 36 | M1.5 | – | – | |
| 08:10 | 08:28 | – | M1.5 | – | – | |
| 08:30 | 08:36 | 10 | M1.5 | – | – | |
| 17:18 | 17:21 | 8 | M1.5 | – | – | |
| 20:09 | 20:28 | 30 | M6.7 | – | – | |
| 21:39 | 21:41 | 8 | M2.3 | – | – |
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.
← X7.0 2024-10-01M6.7 2024-10-03 →
About this page
A X8.9 flare that began 2024-10-03 12:08 UTC; No. 1 of 3,708 C-class-or-larger flares in 2024.