K-Factor Forecasts
K-Factors, or K-Indices, measure solar activity. High levels of solar activity have been shown to affect the homing ability of pigeons.
For data directly from the National Oceanographic and Atmospheric Administration, use the following links. All times on these pages are given in UT (Universal Time), which is the same as GMT (Greenwich Mean Time -- Greenwich, England).
- K-Factor readings for the last three days, given in 3 hour increments.
- Last 2 days of A & K indices, given in 3 hour increments.
Report of Solar & Geomagnetic Activity
Includes forecasts for the next 24 hours. Prepared by the US Dept. of Commerce, NOAA, and the US Air Force
