| Date | Sunspot Number Predicted | Sunspot Number 25th | Sunspot Number 50th | Sunspot Number 75th | 10.7 cm Radio Flux Predicted | 10.7 cm Radio Flux 25th | 10.7 cm Radio Flux 50th | 10.7 cm Radio Flux 75th |
|---|---|---|---|---|---|---|---|---|
| 2024-11 | 159.6 | 153.4 - 163.6 | 147.1 - 169.1 | 141.0 - 176.3 | 192.9 | 188.2 - 195.9 | 183.4 - 200.0 | 178.8 - 205.3 |
| 2024-12 | 157.3 | 151.1 - 162.0 | 144.7 - 168.2 | 138.4 - 175.7 | 191.7 | 187.0 - 195.2 | 182.1 - 199.8 | 177.4 - 205.4 |
| 2025-01 | 155.5 | 149.4 - 160.9 | 142.8 - 168.1 | 136.3 - 175.6 | 190.6 | 186.0 - 194.7 | 181.0 - 200.0 | 176.1 - 205.6 |
| 2025-02 | 151.1 | 144.9 - 156.7 | 138.4 - 164.2 | 131.7 - 172.3 | 188.3 | 183.6 - 192.5 | 178.8 - 198.2 | 173.7 - 204.1 |
| 2025-03 | 145.1 | 138.7 - 150.8 | 132.6 - 158.6 | 125.7 - 166.8 | 182.4 | 177.5 - 186.7 | 172.9 - 192.5 | 167.6 - 198.5 |
| 2025-04 | 144.7 | 138.2 - 150.8 | 132.5 - 158.7 | 125.6 - 166.5 | 180.0 | 175.1 - 184.6 | 170.7 - 190.5 | 165.5 - 196.3 |
| 2025-05 | 144.6 | 138.0 - 150.9 | 132.7 - 158.8 | 125.9 - 166.3 | 179.8 | 174.8 - 184.6 | 170.8 - 190.4 | 165.6 - 196.0 |
| 2025-06 | 144.3 | 137.5 - 150.5 | 132.9 - 158.3 | 125.8 - 165.9 | 179.1 | 173.9 - 183.7 | 170.4 - 189.6 | 165.0 - 195.2 |
| 2025-07 | 143.5 | 136.8 - 149.9 | 132.9 - 157.4 | 125.3 - 164.9 | 177.7 | 172.6 - 182.5 | 169.6 - 188.1 | 163.8 - 193.7 |
| 2025-08 | 142.2 | 135.5 - 148.4 | 131.8 - 156.5 | 124.1 - 163.2 | 175.6 | 170.5 - 180.3 | 167.7 - 186.4 | 161.9 - 191.4 |
| 2025-09 | 140.3 | 133.8 - 146.3 | 130.4 - 155.0 | 122.5 - 160.9 | 172.9 | 168.0 - 177.5 | 165.5 - 184.0 | 159.5 - 188.5 |
| 2025-10 | 137.9 | 131.9 - 143.7 | 128.5 - 152.2 | 120.5 - 158.1 | 169.9 | 165.3 - 174.2 | 162.8 - 180.7 | 156.7 - 185.1 |
| 2025-11 | 135.2 | 129.0 - 140.6 | 126.2 - 149.0 | 118.0 - 154.5 | 166.6 | 161.9 - 170.7 | 159.7 - 177.1 | 153.5 - 181.2 |
| 2025-12 | 132.3 | 126.5 - 137.6 | 123.2 - 145.6 | 115.1 - 150.6 | 163.3 | 158.9 - 167.3 | 156.4 - 173.4 | 150.3 - 177.2 |
| 2026-01 | 129.3 | 122.9 - 134.1 | 119.5 - 141.6 | 111.9 - 146.0 | 160.0 | 155.1 - 163.6 | 152.5 - 169.3 | 146.8 - 172.7 |
| 2026-02 | 126.4 | 120.0 - 130.9 | 116.1 - 137.9 | 108.9 - 141.9 | 156.9 | 152.0 - 160.3 | 149.1 - 165.6 | 143.7 - 168.7 |
| 2026-03 | 123.7 | 117.3 - 128.1 | 113.2 - 134.7 | 106.4 - 138.4 | 154.2 | 149.3 - 157.5 | 146.2 - 162.5 | 141.1 - 165.3 |
| 2026-04 | 120.9 | 114.5 - 125.3 | 110.0 - 131.4 | 103.7 - 134.9 | 151.3 | 146.5 - 154.7 | 143.1 - 159.3 | 138.4 - 161.9 |
| 2026-05 | 118.1 | 112.0 - 122.8 | 107.1 - 128.5 | 100.9 - 132.2 | 148.6 | 144.0 - 152.2 | 140.4 - 156.5 | 135.7 - 159.3 |
| 2026-06 | 115.3 | 109.5 - 120.4 | 104.1 - 126.0 | 98.0 - 129.8 | 146.0 | 141.6 - 149.8 | 137.5 - 154.0 | 133.0 - 156.9 |
| 2026-07 | 112.6 | 106.8 - 117.9 | 101.0 - 123.5 | 94.8 - 127.5 | 143.4 | 139.0 - 147.4 | 134.7 - 151.6 | 130.2 - 154.6 |
| 2026-08 | 109.8 | 103.8 - 115.4 | 97.5 - 120.8 | 91.7 - 125.6 | 140.7 | 136.3 - 145.0 | 131.6 - 149.0 | 127.3 - 152.7 |
| 2026-09 | 107.0 | 101.1 - 113.1 | 94.3 - 118.4 | 88.6 - 124.0 | 138.1 | 133.7 - 142.7 | 128.7 - 146.7 | 124.6 - 150.9 |
| 2026-10 | 104.2 | 97.9 - 110.9 | 90.9 - 115.9 | 85.5 - 122.6 | 135.6 | 130.9 - 140.6 | 125.8 - 144.3 | 121.9 - 149.4 |
| 2026-11 | 101.3 | 94.7 - 108.7 | 87.4 - 113.5 | 82.2 - 121.0 | 132.9 | 128.1 - 138.4 | 122.8 - 142.0 | 119.0 - 147.7 |
| 2026-12 | 98.5 | 91.6 - 106.8 | 84.2 - 111.4 | 79.0 - 119.0 | 130.4 | 125.3 - 136.5 | 120.1 - 140.0 | 116.3 - 145.8 |
| 2027-01 | 95.6 | 88.2 - 104.5 | 80.8 - 109.1 | 75.8 - 116.9 | 127.8 | 122.5 - 134.4 | 117.2 - 137.8 | 113.6 - 143.7 |
| 2027-02 | 92.7 | 85.1 - 102.5 | 77.8 - 106.9 | 72.6 - 115.2 | 125.2 | 119.8 - 132.4 | 114.6 - 135.7 | 111.0 - 142.0 |
| 2027-03 | 90.0 | 82.5 - 100.6 | 75.1 - 105.2 | 69.9 - 113.9 | 122.9 | 117.5 - 130.7 | 112.3 - 134.1 | 108.8 - 140.6 |
| 2027-04 | 87.1 | 79.6 - 98.2 | 71.9 - 103.3 | 66.9 - 112.3 | 120.4 | 115.1 - 128.5 | 109.8 - 132.3 | 106.4 - 139.0 |
| 2027-05 | 84.3 | 77.0 - 96.1 | 69.6 - 101.3 | 64.1 - 110.6 | 118.0 | 112.9 - 126.6 | 107.8 - 130.4 | 104.1 - 137.4 |
| 2027-06 | 81.4 | 74.5 - 93.9 | 66.9 - 98.9 | 61.1 - 108.3 | 115.6 | 110.8 - 124.6 | 105.7 - 128.3 | 101.8 - 135.3 |
| 2027-07 | 78.6 | 70.9 - 91.5 | 63.8 - 96.5 | 58.2 - 105.5 | 113.4 | 108.1 - 122.6 | 103.3 - 126.2 | 99.6 - 132.8 |
| 2027-08 | 75.8 | 67.8 - 88.9 | 60.5 - 93.8 | 55.1 - 102.3 | 111.1 | 105.6 - 120.4 | 100.8 - 123.9 | 97.3 - 130.2 |
| 2027-09 | 73.0 | 64.4 - 85.9 | 57.5 - 91.1 | 51.9 - 99.1 | 108.8 | 103.0 - 117.9 | 98.5 - 121.7 | 95.0 - 127.5 |
| 2027-10 | 70.3 | 61.5 - 83.3 | 54.9 - 88.7 | 49.2 - 96.2 | 106.7 | 100.9 - 115.8 | 96.6 - 119.7 | 93.1 - 125.1 |
| 2027-11 | 67.5 | 58.4 - 80.6 | 52.3 - 86.3 | 46.8 - 93.4 | 104.6 | 98.6 - 113.6 | 94.7 - 117.7 | 91.3 - 122.8 |
| 2027-12 | 64.9 | 55.5 - 78.1 | 50.0 - 83.8 | 44.5 - 90.7 | 102.7 | 96.5 - 111.7 | 93.1 - 115.7 | 89.7 - 120.7 |
| 2028-01 | 62.3 | 53.0 - 75.5 | 47.8 - 81.2 | 42.2 - 88.0 | 100.7 | 94.7 - 109.6 | 91.5 - 113.6 | 88.2 - 118.5 |
| 2028-02 | 59.7 | 50.5 - 72.5 | 45.8 - 78.6 | 40.0 - 85.1 | 98.8 | 93.0 - 107.4 | 90.1 - 111.6 | 86.7 - 116.2 |
| 2028-03 | 57.3 | 48.1 - 69.2 | 43.8 - 75.8 | 38.2 - 82.4 | 97.2 | 91.4 - 105.0 | 88.8 - 109.5 | 85.5 - 114.2 |
| 2028-04 | 54.8 | 45.3 - 65.8 | 41.5 - 72.9 | 36.3 - 80.0 | 95.4 | 89.6 - 102.6 | 87.3 - 107.4 | 84.3 - 112.3 |
| 2028-05 | 52.5 | 43.0 - 62.6 | 39.5 - 70.3 | 34.6 - 77.6 | 93.8 | 88.0 - 100.3 | 86.0 - 105.5 | 83.2 - 110.5 |
| 2028-06 | 50.1 | 40.2 - 59.4 | 37.2 - 67.7 | 32.6 - 75.1 | 92.2 | 86.3 - 98.1 | 84.6 - 103.6 | 82.0 - 108.7 |
| 2028-07 | 47.9 | 37.8 - 56.5 | 35.1 - 64.9 | 30.7 - 72.7 | 90.8 | 84.8 - 96.2 | 83.3 - 101.6 | 80.9 - 106.9 |
| 2028-08 | 45.7 | 35.3 - 53.8 | 32.8 - 62.2 | 28.8 - 70.3 | 89.3 | 83.3 - 94.4 | 82.0 - 99.8 | 79.8 - 105.2 |
| 2028-09 | 43.5 | 32.8 - 51.2 | 30.4 - 59.5 | 26.8 - 68.4 | 88.0 | 81.9 - 92.7 | 80.6 - 97.9 | 78.6 - 103.8 |
| 2028-10 | 41.4 | 30.7 - 48.6 | 28.2 - 56.9 | 24.8 - 67.0 | 86.7 | 80.7 - 91.0 | 79.3 - 96.2 | 77.6 - 102.9 |
| 2028-11 | 39.4 | 28.8 - 46.2 | 25.7 - 54.3 | 22.7 - 65.9 | 85.5 | 79.6 - 89.5 | 78.0 - 94.5 | 76.5 - 102.1 |
| 2028-12 | 37.5 | 27.5 - 44.0 | 23.5 - 52.0 | 20.7 - 64.9 | 84.4 | 78.9 - 88.2 | 76.9 - 93.1 | 75.4 - 101.4 |
| 2029-01 | 35.5 | 25.9 - 42.0 | 21.4 - 49.7 | 18.6 - 63.6 | 83.3 | 78.1 - 87.0 | 75.7 - 91.6 | 74.4 - 100.5 |
| 2029-02 | 33.7 | 24.1 - 40.1 | 19.1 - 47.7 | 16.5 - 62.2 | 82.2 | 77.1 - 85.9 | 74.6 - 90.4 | 73.4 - 99.6 |
| 2029-03 | 32.1 | 22.3 - 38.4 | 16.9 - 45.9 | 14.7 - 61.0 | 81.3 | 76.2 - 84.9 | 73.6 - 89.3 | 72.5 - 98.8 |
| 2029-04 | 30.3 | 20.3 - 36.6 | 14.6 - 44.1 | 12.6 - 59.5 | 80.4 | 75.2 - 83.9 | 72.5 - 88.2 | 71.6 - 97.8 |
| 2029-05 | 28.7 | 18.3 - 35.1 | 12.4 - 42.1 | 10.9 - 57.9 | 79.6 | 74.2 - 83.0 | 71.5 - 87.1 | 70.8 - 96.8 |
| 2029-06 | 27.1 | 16.5 - 34.2 | 10.4 - 40.5 | 9.4 - 56.4 | 78.7 | 73.4 - 82.5 | 70.6 - 86.1 | 70.2 - 95.9 |
| 2029-07 | 25.7 | 14.9 - 33.4 | 8.8 - 39.2 | 7.9 - 54.9 | 78.0 | 72.7 - 82.1 | 70.0 - 85.4 | 69.6 - 94.9 |
| 2029-08 | 24.2 | 13.5 - 32.7 | 7.5 - 38.0 | 6.4 - 53.0 | 77.3 | 72.1 - 81.8 | 69.4 - 84.8 | 69.0 - 93.7 |
| 2029-09 | 22.8 | 12.5 - 31.9 | 6.5 - 36.8 | 5.1 - 50.8 | 76.6 | 71.7 - 81.4 | 69.0 - 84.1 | 68.4 - 92.4 |
| 2029-10 | 21.5 | 11.9 - 31.2 | 5.9 - 35.8 | 4.1 - 48.5 | 76.0 | 71.4 - 81.0 | 68.8 - 83.6 | 68.1 - 91.0 |
| 2029-11 | 20.2 | 11.3 - 30.3 | 5.5 - 34.6 | 3.3 - 46.0 | 75.4 | 71.2 - 80.6 | 68.7 - 83.0 | 67.8 - 89.6 |
| 2029-12 | 19.0 | 10.6 - 29.4 | 5.2 - 33.5 | 2.4 - 43.6 | 74.8 | 70.9 - 80.2 | 68.6 - 82.4 | 67.8 - 88.2 |
| 2030-01 | 17.8 | 9.6 - 28.4 | 4.6 - 32.2 | 1.3 - 41.1 | 74.3 | 70.5 - 79.6 | 68.4 - 81.7 | 67.8 - 86.7 |
| 2030-02 | 16.7 | 8.6 - 27.1 | 3.9 - 30.7 | 0.0 - 38.4 | 73.8 | 70.1 - 79.0 | 68.1 - 80.9 | 67.8 - 85.2 |
| 2030-03 | 15.8 | 7.6 - 25.9 | 3.1 - 29.1 | 0.0 - 36.0 | 73.4 | 69.7 - 78.4 | 67.9 - 80.1 | 67.8 - 83.9 |
| 2030-04 | 14.8 | 6.5 - 24.6 | 2.1 - 27.4 | 0.0 - 34.1 | 73.0 | 69.3 - 77.8 | 67.8 - 79.3 | 67.8 - 82.9 |
| 2030-05 | 13.8 | 6.2 - 23.2 | 1.6 - 25.8 | 0.0 - 32.3 | 72.6 | 69.3 - 77.1 | 67.8 - 78.4 | 67.8 - 81.9 |
| 2030-06 | 12.9 | 5.6 - 21.6 | 0.7 - 24.0 | 0.0 - 30.3 | 72.2 | 69.0 - 76.4 | 67.8 - 77.6 | 67.8 - 80.9 |
| 2030-07 | 12.1 | 4.8 - 20.1 | 0.0 - 22.3 | 0.0 - 28.6 | 71.9 | 68.7 - 75.7 | 67.8 - 76.7 | 67.8 - 80.0 |
| 2030-08 | 11.3 | 3.8 - 18.5 | 0.0 - 20.5 | 0.0 - 26.7 | 71.6 | 68.4 - 74.9 | 67.8 - 75.9 | 67.8 - 79.1 |
| 2030-09 | 10.5 | 2.1 - 16.7 | 0.0 - 18.5 | 0.0 - 24.7 | 71.3 | 67.8 - 74.1 | 67.8 - 75.0 | 67.8 - 78.1 |
| 2030-10 | 9.8 | 0.0 - 15.2 | 0.0 - 16.9 | 0.0 - 23.2 | 71.0 | 67.8 - 73.4 | 67.8 - 74.2 | 67.8 - 77.4 |
| 2030-11 | 9.1 | 0.0 - 13.8 | 0.0 - 15.3 | 0.0 - 21.9 | 70.8 | 67.8 - 72.8 | 67.8 - 73.6 | 67.8 - 76.7 |
| 2030-12 | 8.5 | 0.0 - 12.5 | 0.0 - 14.0 | 0.0 - 20.7 | 70.5 | 67.8 - 72.3 | 67.8 - 73.0 | 67.8 - 76.2 |
Multi-year forecast of the smoothed monthly sunspot number and the smoothed monthly F10.7. For further details see Solar Cycle Progression.
Multi-year forecast of the smoothed monthly sunspot number and the smoothed monthly F10.7. For further details see Solar Cycle Progression.
For product history see Solar Cycle Progression.
Predicted Solar Cycle: Sunspot Number And Radio Flux Values with Expected Ranges
Predicted Solar Cycle Data (JSON)
Sources
- S.I.D.C. Brussels International Sunspot Number, Data Files.
- Penticton, B.C., Canada: 10.7cm radio flux values (sfu), Data Files.
- Predicted values are based on the consensus of the Solar Cycle 25 Prediction Panel
Fields (JSON)
- time-tag: yyyy-mm
- predicted_ssn: predicted sunspot number
- high25_ssn: predicted sunspot number 25th percentile high range
- low25_ssn: predicted sunspot number 25th percentile low range
- high_ssn: predicted sunspot number high range
- low_ssn: predicted sunspot number low range
- high75_ssn: predicted sunspot number 75th percentile high range
- low75_ssn: predicted sunspot number 75th percentile low range
- predicted_f10.7: predicted f10.7cm value
- high25_f10.7: predicted f10.7cm 25th percentile high range
- low25_f10.7: predicted f10.7cm 25th percentile low range
- high_f10.7: predicted f10.7cm high range
- low_f10.7: predicted f10.7cm low range
- high75_f10.7: predicted f10.7cm 75th percentile high range
- low75_f10.7: predicted f10.7cm 75th percentile low range