Viewing archive of Tuesday, 7 July 2026
Solar activity report
Report of Solar-Geophysical Activity 2026 Jul 07 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 188 Issued at 2200Z on 07 Jul 2026IA. Analysis of Solar Active Regions and Activity from 06-2100Z to 07-2100Z Solar activity has been at moderate levels for the past 24
hours. There are currently 3 numbered sunspot regions on the disk.
IB. Solar Activity Forecast
Solar activity is expected to be low with
a chance for M-class flares and a slight chance for an X-class flare on
days one, two, and three (08 Jul, 09 Jul, 10 Jul).
IIA. Geophysical Activity Summary 06-2100Z to 07-2100Z
The geomagnetic
field has been at quiet levels for the past 24 hours. Solar wind speed
reached a peak of 474 km/s at 07/0638 UTC. Total IMF reached 08 nT at
07/1746 UTC. The maximum southward component of Bz reached -06 nT at
07/2006 UTC. Electrons greater than 2 MeV at geosynchronous orbit
reached a peak level of 5246 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected
to be at quiet levels on day one (08 Jul), quiet to active levels on day
two (09 Jul) and unsettled to active levels on day three (10 Jul).
III. Event Probabilities 08 Jul to 10 Jul
| Class M | 40% | 40% | 40% |
| Class X | 10% | 10% | 10% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 07 Jul 110 Predicted 08 Jul-10 Jul 110/110/115 90 Day Mean 07 Jul 131
V. Geomagnetic A Indices
Observed Afr/Ap 06 Jul 006/007 Estimated Afr/Ap 07 Jul 004/005 Predicted Afr/Ap 08 Jul-10 Jul 006/005-011/012-012/015
VI. Geomagnetic Activity Probabilities 08 Jul to 10 Jul
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 05% | 25% | 25% |
| Minor storm | 01% | 05% | 05% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 15% |
| Minor storm | 15% | 20% | 20% |
| Major-severe storm | 05% | 20% | 20% |
All times in UTC
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Space weather facts
| Last X-flare | 2026/07/04 | X1.3 |
| Last M-flare | 2026/07/07 | M4.1 |
| Last geomagnetic storm | 2026/07/04 | Kp7+ (G3) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (2%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| June 2026 | 94.4 -7.1 |
| July 2026 | 101 +6.6 |
| Last 30 days | 94.4 -10.7 |
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