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M5.2 solar flare on 2025-05-14
ClassM5.2GOES-18 science data
Peak03:252025-05-14 UTC
Duration30 min
Peak flux5.2e-05W/m²
| Comparison | Value |
|---|---|
| Rank in year | 40 / 3004 |
| Other M/X flares that day | 4 |
| M/X flares that month | 23 |
| Solar cycle | Cycle 25 |
Compared with the strongest flares of 2025
X5.1
X4.0
X2.4
X1.9
X1.9
X1.8
X1.8
X1.7
X1.7
X1.2
X1.2
X1.2
Other M/X flares that day
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 07:36 | 07:45 | 15 | M1.1 | – | – | |
| 08:04 | 08:19 | 27 | X2.4 | – | – | |
| 11:04 | 11:19 | 28 | M7.5 | – | – | |
| 17:59 | 18:11 | 19 | M4.6 | – | – |
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.
← X1.1 2025-05-13X2.4 2025-05-14 →
About this page
A M5.2 flare that began 2025-05-14 03:05 UTC; No. 40 of 3,004 C-class-or-larger flares in 2025.