Solar flares on August 18, 2022
The most powerful solar flare in 24 hours
M1.5 (strong) flare - August 18 at 6:55 AM
Solar activity index
Value as of the end of the day on August 18, 2022
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from August 17, 2022 to August 18, 2022
Time zone — UTC-04 (Washington) — summer time
List of solar flares for August 18, 2022
The total number of solar flares of class C and higher — 24 flares
C class — 21 | M class — 3 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.0 | 23:14 | 23:22 | 23:31 | 3078 |
| C3.3 | 21:55 | 22:09 | 22:20 | 3078 |
| C3.9 | 19:43 | 19:50 | 19:55 | 3081 |
| C4.4 | 18:28 | 18:40 | 18:55 | 3078 |
| C3.5 | 18:18 | 18:24 | 18:28 | 3078 |
| C3.0 | 18:07 | 18:15 | 18:18 | 3078 |
| C6.3 | 17:44 | 17:58 | 18:02 | 3078 |
| C1.0 | 16:39 | 16:48 | 16:59 | — |
| C3.4 | 16:01 | 16:13 | 16:18 | 3081 |
| C3.0 | 15:28 | 15:37 | 15:41 | 3078 |
| C1.5 | 14:09 | 14:14 | 14:18 | 3078 |
| C1.1 | 13:46 | 14:02 | 14:08 | 3078 |
| C4.2 | 11:44 | 11:53 | 11:57 | 3078 |
| M1.3 | 10:01 | 10:13 | 10:18 | 3078 |
| C2.7 | 08:27 | 08:35 | 08:43 | 3076 |
| M1.5 | 06:37 | 06:55 | 07:13 | 3078 |
| M1.3 | 06:00 | 06:09 | 06:13 | 3078 |
| C1.7 | 05:13 | 05:20 | 05:27 | 3078 |
| C3.6 | 04:35 | 04:52 | 04:59 | 3078 |
| C1.9 | 04:05 | 04:09 | 04:15 | 3078 |
| C5.7 | 01:54 | 02:02 | 02:06 | 3078 |
| C4.2 | 01:04 | 01:22 | 01:31 | 3081 |
| C2.2 | 00:35 | 00:39 | 00:46 | 3081 |
| C4.5 | 00:18 | 00:29 | 00:33 | 3078 |