Current Solar Conditions and It’s Impact on Ham Radio

HF Band Conditions

Band
Sun IconDaytime Conditions
Moon IconNighttime Conditions
80m-40m
3.5 - 7.3 MHz
Fair Good
30m-20m
10.1 - 14.35 MHz
Good Good
17m-15m
18.068 - 21.45 MHz
Fair Fair
12m-10m
24.89 - 29.7 MHz
Poor Poor

VHF Band Conditions

Aurora Latitude 67.5°
Aurora Band Closed
Sporadic E - Europe - 6m 50MHz ES
Sporadic E - Europe - 4m 70MHz ES
Sporadic E - Europe - 2m High MUF
Sporadic E - North America 2m Band Closed

Solar Conditions

Sunspots
This value is calculated based on the number of sunspots and sunspot groups observed. This value ranges from 0 to 250, with higher numbers indicating better solar activity.
51
Solar Flux
This value measures overall solar activity at a wavelength of 10.7 cm. It ranges from 62.5 to 300, with higher values indicating better solar conditions.
111
Geomagnetic Storms
This value reflects the overall activity of Earth's magnetic field, based on the K-index. Higher values indicate more significant geomagnetic disturbances.
quiet
Solar Wind
This value represents the speed of solar wind measured in km/s. It typically ranges from 0 to 1000, with lower speeds generally being better. Higher speeds can contribute to increased noise in radio signals.
365.3
Signal Noise Level
This value indicates the noise generated by solar activity, measured in S-units. It is calculated based on the interaction between solar wind and geomagnetic activity. Greater activity and disturbances in the solar wind lead to higher noise levels.
S1-S2
Powered by the Ham Radio Playground Solar Conditions Plugin, with data provided by N0NBH and the NOAA Space Weather Prediction Center.
Last Updated: Jun 20 2026 17:05 UTC (10m 14s ago)