Viewing archive of Tuesday, 16 June 2026
Geophysical report
Solar and Geophysical Activity Summary 2026 Jun 16 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 167 Issued at 0245Z on 16 Jun 2026 This report is compiled from data received at SWO on 15 JunA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0031 0031 0031 350 0222 0222 0223 420 0517 0517 0517 4400 0713 0713 0713 6600 1131 1131 1131 1300 1255 1256 1256 110 1259 1259 1259 160 1312 1315 1317 4465 C1.8 540 1501 1501 1503 1500 1514 1514 1514 110 1644 1644 1644 240 1832 1832 1832 120 1955 1955 1956 130
B. Proton Events
None.
C. Geomagnetic Activity Summary
The geomagnetic field was quiet.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 117 SSN 078 Afr/Ap 006/006 X-ray Background B5.5 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 4.6e+05 GT 10 MeV 1.7e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 6.40e+07 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W72 degrees) 3 Hour K-indices Boulder 2 1 1 2 2 2 2 2 Planetary 2 2 1 2 1 1 2 2
F. Comments
None
All times in UTC
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Space weather facts
| Last X-flare | 2026/06/03 | X1.0 |
| Last M-flare | 2026/06/20 | M1.0 |
| Last geomagnetic storm | 2026/06/11 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (2%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| May 2026 | 101.4 +22.1 |
| June 2026 | 102.1 +0.7 |
| Last 30 days | 109 +10.5 |
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