Solar-Terrestrial Data

Current Space Weather Conditions

Last Update

Data last updated: 2026-06-07 19:10:48

Next update in: 30:00 minutes

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General Information

Parameter Value
Last Updated
Last update time
07 Jun 2026 1910 GMT
Solar Flux
Overall Solar Activity on 10.7cm. From 62.5 to 300, higher better
138
Sunspot Number
Derived from num of sunspots + groups. From 0 to 250, higher better
124
A-Index
Average Geomagnetic Activity
17
K-Index
Geomagnetic Field Disturbance. From 0 to 10, lower better
2
Aurora Latitude
Estimated equatorward auroral oval latitude (both hemispheres)
66.5 °
X-Ray
Intensity of X-Rays in Ionosphere. A, B, C, M, X Indicates Magnitude
B8.5
Geomagnetic Field
Overall activity of Earth's magnetic field. Based on K-Index
QUIET
Signal Noise
Noise Contributed by Solar Activity
S1-S2
MUF
Maximum Usable Frequency for Sky-Wave Propagation
NoRpt
Solar Wind
Speed of Solar Wind in KM/s. Typically 0-1000, lower better
548.1
Proton Flux
Density of Charged Protons in Solar Wind. Impacts E-Layer
1340
Electron Flux
Density of Charged Electrons in Solar Wind. Impacts E-Layer
N/A
F2 Critical Frequency
Highest Frequency that reflects back from F2 Layer
N/A

HF Band Conditions

Band Day Night Ideal Hours (UTC) Notes
80m-40m Fair Good Calculating... Detecting location... Popular bands for local and regional communication
30m-20m Good Good Calculating... Detecting location... Excellent for long-distance communication during daylight
17m-15m Good Good Calculating... Detecting location... Good for worldwide communication during daylight
12m-10m Fair Poor Calculating... Detecting location... Best during high solar activity, excellent for worldwide communication

Calculated VHF Conditions

Phenomenon Location Condition
vhf-aurora northern_hemi Band Closed
E-Skip europe 144MHz ES
E-Skip north_america Band Closed
E-Skip europe_6m 50MHz ES
E-Skip europe_4m Band Closed

Solar Activity History

Geomagnetic Activity History

Predicted Solar Cycle (NOAA)