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Solar flares in April 2000
C-class181
M-class11
X-class0
LargestM4.32000-04-15
Sunspot number193.4NOAA SWPC
Flares per day (C and above)
M/X flares per day
Same month a year earlier
| Month | C | M | X | Largest |
|---|---|---|---|---|
| April 1999 | 48 | 5 | 0 | M5.4 |
| April 2000 | 181 | 11 | 0 | M4.3 |
Top 15 flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 2000-04-15 | 10:09 | 10:18 | 13 | M4.3 | S22E29 | 8955 |
| 2000-04-09 | 23:26 | 23:42 | 29 | M3.1 | S14W01 | 8948 |
| 2000-04-15 | 14:37 | 14:48 | 16 | M2.2 | S23E28 | 8955 |
| 2000-04-08 | 02:34 | 02:40 | 16 | M2.0 | S15E26 | 8948 |
| 2000-04-06 | 02:18 | 02:29 | 20 | M1.8 | S15E53 | 8948 |
| 2000-04-08 | 20:40 | 20:46 | 9 | M1.8 | S14E19 | 8948 |
| 2000-04-12 | 03:27 | 03:35 | 23 | M1.3 | S15W24 | 8948 |
| 2000-04-09 | 04:08 | 04:16 | 15 | M1.1 | S16E13 | 8948 |
| 2000-04-11 | 23:29 | 23:37 | 16 | M1.1 | S15W22 | 8948 |
| 2000-04-04 | 01:18 | 01:32 | 26 | M1.0 | – | – |
| 2000-04-11 | 17:57 | 18:10 | 20 | M1.0 | S16W18 | 8948 |
| 2000-04-04 | 15:12 | 15:41 | 53 | C9.7 | N16W66 | 8933 |
| 2000-04-10 | 18:51 | 19:11 | 25 | C8.6 | – | – |
| 2000-04-20 | 10:24 | 10:33 | 19 | C8.6 | N11E61 | 8969 |
| 2000-04-01 | 17:43 | 17:59 | 30 | C8.3 | N24E45 | 8939 |
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
192 flares of class C or larger in April 2000; by M/X count it ranks 225 of 565 months.