Space Weather Prediction Center

National Oceanic and Atmospheric Administration

Predicted Sunspot Number And Radio Flux

DateSunspot Number PredictedSunspot Number 25thSunspot Number 50thSunspot Number 75th10.7 cm Radio Flux Predicted10.7 cm Radio Flux 25th10.7 cm Radio Flux 50th10.7 cm Radio Flux 75th