Solar Flare Watch2020: sunspot number and solar flux
| Month | Sunspot number | F10.7 flux |
|---|---|---|
| January | 5.9 | 72.3 |
| February | 0.4 | 70.9 |
| March | 1.2 | 70.2 |
| April | 4.8 | 69.6 |
| May | 0.0 | 69.2 |
| June | 5.9 | 69.7 |
| July | 6.5 | 69.5 |
| August | 7.8 | 71.7 |
| September | 0.8 | 70.6 |
| October | 13.2 | 74.6 |
| November | 29.0 | 90.1 |
| December | 22.5 | 87.3 |
About this page
Monthly sunspot number and 10.7 cm solar radio flux in 2020, from NOAA SWPC solar-cycle data.