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X1.1 solar flare on 2024-05-09
ClassX1.1GOES-16 science data
Peak17:442024-05-09 UTC
Duration37 min
Peak flux1.1e-04W/m²
| Comparison | Value |
|---|---|
| Rank among X flares (since Jun 2017) | 86 / 108 |
| Rank in year | 41 / 3708 |
| Other M/X flares that day | 15 |
| M/X flares that month | 148 |
| 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 |
|---|---|---|---|---|---|---|
| 03:07 | 03:17 | – | M4.0 | – | – | |
| 03:23 | 03:32 | 21 | M4.5 | – | – | |
| 04:44 | 04:49 | 10 | M1.7 | – | – | |
| 06:03 | 06:13 | – | M2.3 | – | – | |
| 06:24 | 06:27 | 6 | M2.4 | – | – | |
| 08:30 | 08:40 | – | M2.1 | – | – | |
| 08:45 | 09:13 | 50 | X2.2 | – | – | |
| 11:52 | 11:56 | 9 | M3.1 | – | – | |
| 12:05 | 12:12 | 14 | M2.9 | – | – | |
| 13:16 | 13:23 | 12 | M3.7 | – | – | |
| 21:15 | 21:21 | 9 | M1.0 | – | – | |
| 22:08 | 22:15 | – | M1.0 | – | – | |
| 22:24 | 22:41 | 22 | M2.6 | – | – | |
| 23:04 | 23:08 | 8 | M1.2 | – | – | |
| 23:44 | 23:51 | 9 | M1.5 | – | – |
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.
← X2.2 2024-05-09X3.9 2024-05-10 →
About this page
A X1.1 flare that began 2024-05-09 17:23 UTC; No. 41 of 3,708 C-class-or-larger flares in 2024.