☀️ Solar & Propagation Conditions

Real-time solar data and HF band conditions

Data provided by HamQSL.com & NOAA/SWPC

Current Solar Conditions

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Solar Flux Index
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Sunspot Number
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A-Index
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K-Index

🌡️ X-Ray Flux

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Current Level

💨 Solar Wind

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km/s

🧲 Bz Component

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nT

📻 HF Band Conditions

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📈 Solar Flux History (7 Days)

📉 A-Index History

📉 K-Index History

📚 Understanding the Numbers

Solar Flux Index (SFI)

Measures radio emissions from the sun at 2800 MHz. Higher = better HF propagation.

70-90Poor
90-120Fair
120-150Good
150+Excellent

K-Index

Measures geomagnetic disturbance. Lower = calmer, better for HF.

0-1Quiet
2-3Unsettled
4Active
5+Storm