Solar Cycle
Where we are in the ~11-year solar activity cycle
Sunspot Number78Monthly mean for Jul 2026
10.7cm Flux136Solar flux units (SFU)
Year-on-year-38%Sunspots vs Jul 2025 · 5-yr peak 216 in Aug 2024
Sunspot Number
Monthly mean, last 5 years
10.7cm Radio Flux
Monthly mean, last 5 years
Source: NOAA SWPC — sunspot numbers and 10.7cm radio flux, updated daily