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X1.5 solar flare on 2021-07-03
ClassX1.5GOES-16 science data
Peak14:292021-07-03 UTC
Duration15 min
Peak flux1.5e-04W/m²
| Comparison | Value |
|---|---|
| Rank among X flares (since Jun 2017) | 54 / 108 |
| Rank in year | 1 / 473 |
| Other M/X flares that day | 2 |
| M/X flares that month | 4 |
| Solar cycle | Cycle 25 |
Compared with the strongest flares of 2021
X1.5
M9.9
M4.7
M3.9
M2.7
M2.2
M2.0
M1.8
M1.8
M1.8
M1.7
M1.6
Other M/X flares that day
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 07:04 | 07:17 | 17 | M2.7 | – | – | |
| 16:59 | 17:03 | 14 | M1.0 | – | – |
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.
← X12.9 2017-09-10M9.9 2021-10-28 →
About this page
A X1.5 flare that began 2021-07-03 14:18 UTC; No. 1 of 473 C-class-or-larger flares in 2021.