Issued: 2019 Dec 29 1231 UTC
Quiet conditions (<50% probability of C-class flares)
Quiet (A<20 and K<4)
Quiet
10cm flux | Ap | |
---|---|---|
29 Dec 2019 | 072 | 001 |
30 Dec 2019 | 071 | 001 |
31 Dec 2019 | 071 | 001 |
No active regions visible on the sun. Solar activity has been very low, no flares in the past 24 h, no changes expected.
No Earth directed CMEs in past 24 h. Solar protons have remained at background levels over the past 24 h.
The solar wind speed is at 300 km/s with interplanetary magnetic field magnitude of 4 nT. Geomagnetic conditions have been quiet and expected to remain so.
Today's estimated international sunspot number (ISN): 000, based on 14 stations.
Wolf number Catania | /// |
10cm solar flux | 072 |
AK Chambon La Forêt | /// |
AK Wingst | 002 |
Estimated Ap | 001 |
Estimated international sunspot number | 000 - Based on 20 stations |
Day | Begin | Max | End | Loc | Strength | OP | 10cm | Catania/NOAA | Radio burst types | |
---|---|---|---|---|---|---|---|---|---|---|
None |
Provided by the Solar Influences Data analysis Center© - SIDC - Processed by SpaceWeatherLive
All times in UTC
A lot of people come to SpaceWeatherLive to follow the Sun's activity or if there is aurora to be seen, but with more traffic comes higher server costs. Consider a donation if you enjoy SpaceWeatherLive so we can keep the website online!
Last X-flare | 2025/03/28 | X1.1 |
Last M-flare | 2025/04/01 | M2.5 |
Last geomagnetic storm | 2025/03/27 | Kp5 (G1) |
Spotless days | |
---|---|
Last spotless day | 2022/06/08 |
Monthly mean Sunspot Number | |
---|---|
February 2025 | 154.6 +17.6 |
April 2025 | 152.5 -2.1 |
Last 30 days | 130.7 -17.9 |