Solar flares on August 18, 2022
The most powerful solar flare in 24 hours
M1.5 (strong) flare - August 18 at 11:55 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+01 (London) — 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 |
|---|---|---|---|---|
| C4.4 | 23:28 | 23:40 | 23:55 | 3078 |
| C3.5 | 23:18 | 23:24 | 23:28 | 3078 |
| C3.0 | 23:07 | 23:15 | 23:18 | 3078 |
| C6.3 | 22:44 | 22:58 | 23:02 | 3078 |
| C1.0 | 21:39 | 21:48 | 21:59 | — |
| C3.4 | 21:01 | 21:13 | 21:18 | 3081 |
| C3.0 | 20:28 | 20:37 | 20:41 | 3078 |
| C1.5 | 19:09 | 19:14 | 19:18 | 3078 |
| C1.1 | 18:46 | 19:02 | 19:08 | 3078 |
| C4.2 | 16:44 | 16:53 | 16:57 | 3078 |
| M1.3 | 15:01 | 15:13 | 15:18 | 3078 |
| C2.7 | 13:27 | 13:35 | 13:43 | 3076 |
| M1.5 | 11:37 | 11:55 | 12:13 | 3078 |
| M1.3 | 11:00 | 11:09 | 11:13 | 3078 |
| C1.7 | 10:13 | 10:20 | 10:27 | 3078 |
| C3.6 | 09:35 | 09:52 | 09:59 | 3078 |
| C1.9 | 09:05 | 09:09 | 09:15 | 3078 |
| C5.7 | 06:54 | 07:02 | 07:06 | 3078 |
| C4.2 | 06:04 | 06:22 | 06:31 | 3081 |
| C2.2 | 05:35 | 05:39 | 05:46 | 3081 |
| C4.5 | 05:18 | 05:29 | 05:33 | 3078 |
| C1.8 | 03:50 | 03:52 | 03:59 | 3078 |
| C3.7 | 01:36 | 01:40 | 01:44 | 3078 |
| C3.3 | 00:16 | 00:33 | 01:01 | 3079 |