# Monthly sunspot number and solar radio flux | Month | Sunspot number | Sunspot number (smoothed) | 10.7 cm flux (sfu) | 10.7 cm flux (smoothed) (sfu) | | --- | ---: | ---: | ---: | ---: | | 1997-01 | 8.68 | | | | | 1997-02 | 11.32 | | | | | 1997-03 | 13.71 | | | | | 1997-04 | 24.47 | | | | | 1997-05 | 29.61 | | | | | 1997-06 | 22.07 | | | | | 1997-07 | 16.97 | 32.5 | | | | 1997-08 | 36.13 | 36.1 | | | | 1997-09 | 59.33 | 40.7 | | | | 1997-10 | 33.65 | 45.6 | | | | 1997-11 | 53.47 | 49.5 | | | | 1997-12 | 58.29 | 54.3 | | | | 1998-01 | 51.84 | 60.7 | | | | 1998-02 | 54.36 | 67.5 | | | | 1998-03 | 81.81 | 73.5 | | | | 1998-04 | 73.57 | 77.7 | | | | 1998-05 | 74.29 | 81.5 | | | | 1998-06 | 93.57 | 86 | | | | 1998-07 | 98.26 | 90.4 | | | | 1998-08 | 118.61 | 93.8 | | | | 1998-09 | 118.97 | 96.2 | | | | 1998-10 | 77.03 | 97.7 | | | | 1998-11 | 99.47 | 101.3 | | | | 1998-12 | 120.77 | 108.8 | | | | 1999-01 | 94.26 | 116.6 | | | | 1999-02 | 93.39 | 120.2 | | | | 1999-03 | 100.45 | 120.5 | | | | 1999-04 | 92.93 | 123.8 | | | | 1999-05 | 140.55 | 131.7 | | | | 1999-06 | 207.97 | 136 | | | | 1999-07 | 169.19 | 138 | | | | 1999-08 | 136.1 | 142.8 | | | | 1999-09 | 107.37 | 150 | | | | 1999-10 | 167.68 | 158.5 | | | | 1999-11 | 199.3 | 164.7 | | | | 1999-12 | 123.52 | 165.9 | | | | 2000-01 | 140.81 | 168 | | | | 2000-02 | 161.86 | 172.1 | | | | 2000-03 | 203.61 | 175.5 | | | | 2000-04 | 193.37 | 176.4 | | | | 2000-05 | 188.81 | 173.1 | | | | 2000-06 | 190.1 | 172 | | | | 2000-07 | 236.68 | 173.1 | | | | 2000-08 | 167 | 171.9 | | | | 2000-09 | 157.87 | 169 | | | | 2000-10 | 138.9 | 166.3 | | | | 2000-11 | 149.9 | 162.8 | | | | 2000-12 | 146.42 | 160.8 | | | | 2001-01 | 142.71 | 156.4 | | | | 2001-02 | 131 | 151.4 | | | | 2001-03 | 166.74 | 154.1 | | | | 2001-04 | 163.6 | 159.5 | | | | 2001-05 | 135.1 | 163.1 | | | | 2001-06 | 196.67 | 167.3 | | | | 2001-07 | 124.58 | 172.2 | | | | 2001-08 | 159.39 | 176.7 | | | | 2001-09 | 229.13 | 178.8 | | | | 2001-10 | 197.03 | 179.5 | | | | 2001-11 | 178.63 | 183.7 | | | | 2001-12 | 217.55 | 184.5 | | | | 2002-01 | 189.03 | 184.8 | | | | 2002-02 | 194.5 | 188.6 | | | | 2002-03 | 153.06 | 189 | | | | 2002-04 | 194.9 | 186.2 | | | | 2002-05 | 204.13 | 183.6 | | | | 2002-06 | 146 | 179.8 | | | | 2002-07 | 183.45 | 175.2 | | | | 2002-08 | 190.97 | 169.1 | | | | 2002-09 | 206.43 | 163.3 | | | | 2002-10 | 153.87 | 158.5 | | | | 2002-11 | 159.8 | 150.4 | | | | 2002-12 | 144.77 | 144.5 | | | | 2003-01 | 150.03 | 141.2 | | | | 2003-02 | 87.89 | 135.9 | | | | 2003-03 | 119.71 | 127.6 | | | | 2003-04 | 114.33 | 120.9 | | | | 2003-05 | 89.61 | 117.1 | | | | 2003-06 | 118.43 | 111.9 | | | | 2003-07 | 132.84 | 105.3 | | | | 2003-08 | 114.32 | 101.2 | | | | 2003-09 | 82.57 | 99.1 | | | | 2003-10 | 118.94 | 95.1 | | | | 2003-11 | 103.03 | 92.3 | | | | 2003-12 | 75.74 | 90.1 | | | | 2004-01 | 62.32 | 86.5 | | | | 2004-02 | 75.59 | 82.8 | | | | 2004-03 | 80.97 | 79.5 | | | | 2004-04 | 59.33 | 76.5 | | | | 2004-05 | 77.32 | 73.4 | | | | 2004-06 | 77 | 70.3 | | | | 2004-07 | 87.81 | 68.2 | | | | 2004-08 | 69.55 | 66.5 | | | | 2004-09 | 50 | 63.6 | | | | 2004-10 | 77.94 | 61.2 | 137.56 | | | 2004-11 | 70.5 | 59.9 | 115.98 | | | 2004-12 | 34.74 | 58.7 | 95.66 | | | 2005-01 | 52 | 57.2 | 102.86 | | | 2005-02 | 45.36 | 56.3 | 97.3 | | | 2005-03 | 41 | 55.6 | 90.04 | | | 2005-04 | 41.5 | 52.5 | 85.92 | 100 | | 2005-05 | 65.35 | 48.2 | 101.65 | 96.2 | | 2005-06 | 59.77 | 47.7 | 94.09 | 94.8 | | 2005-07 | 68.71 | 47.8 | 100.64 | 93.8 | | 2005-08 | 65.58 | 45.1 | 98.24 | 92.1 | | 2005-09 | 39.2 | 42.6 | 109.55 | 90.6 | | 2005-10 | 12.97 | 42.4 | 76.71 | 90.1 | | 2005-11 | 32.17 | 41.9 | 86.38 | 89.4 | | 2005-12 | 62.58 | 39.3 | 90.85 | 87.8 | | 2006-01 | 26.68 | 36 | 83.32 | 86.1 | | 2006-02 | 5.25 | 32.3 | 76.52 | 84.3 | | 2006-03 | 21.26 | 29.9 | 75.5 | 82.2 | | 2006-04 | 55.17 | 29.4 | 89.27 | 80.8 | | 2006-05 | 39.61 | 29.5 | 80.83 | 80.7 | | 2006-06 | 24.43 | 27.8 | 76.68 | 80.6 | | 2006-07 | 23.1 | 26.2 | 75.88 | 80.6 | | 2006-08 | 22.81 | 26.8 | 79.59 | 80.7 | | 2006-09 | 25.2 | 26.8 | 78.02 | 80.6 | | 2006-10 | 15.77 | 24.3 | 74.43 | 79.8 | | 2006-11 | 31.5 | 21.5 | 86.43 | 78.8 | | 2006-12 | 22.19 | 20.5 | 90.39 | 78.4 | | 2007-01 | 28.19 | 20 | 83.76 | 78.1 | | 2007-02 | 17.29 | 19.2 | 77.65 | 77.5 | | 2007-03 | 9.77 | 17.8 | 72.24 | 76.6 | | 2007-04 | 6.9 | 16.3 | 72.36 | 75.9 | | 2007-05 | 19.77 | 14.5 | 74.36 | 74.9 | | 2007-06 | 20.7 | 13 | 74.07 | 73.7 | | 2007-07 | 15.61 | 11.8 | 71.48 | 72.7 | | 2007-08 | 9.94 | 10.3 | 69.03 | 72.1 | | 2007-09 | 4.8 | 10 | 66.98 | 71.8 | | 2007-10 | 1.29 | 10.2 | 67.69 | 71.8 | | 2007-11 | 2.5 | 9.5 | 69.39 | 71.4 | | 2007-12 | 16.26 | 8.3 | 78.21 | 70.8 | | 2008-01 | 5.16 | 7 | 74.02 | 70.2 | | 2008-02 | 3.86 | 5.9 | 71.03 | 69.9 | | 2008-03 | 15.87 | 5.4 | 72.99 | 69.8 | | 2008-04 | 4.93 | 5.4 | 70.15 | 69.8 | | 2008-05 | 5.74 | 5.8 | 68.32 | 69.8 | | 2008-06 | 4.27 | 5.3 | 65.85 | 69.3 | | 2008-07 | 1.1 | 4.6 | 65.67 | 68.8 | | 2008-08 | 0 | 4.4 | 66.17 | 68.6 | | 2008-09 | 1.53 | 3.8 | 67 | 68.3 | | 2008-10 | 5.23 | 3 | 68.21 | 68.2 | | 2008-11 | 6.77 | 2.8 | 68.53 | 68.2 | | 2008-12 | 1.26 | 2.8 | 69.05 | 68.4 | | 2009-01 | 2.81 | 3 | 69.7 | 68.6 | | 2009-02 | 2.54 | 3.2 | 69.85 | 68.8 | | 2009-03 | 0.77 | 3.4 | 69.1 | 69 | | 2009-04 | 1.27 | 3.7 | 69.61 | 69.3 | | 2009-05 | 3.97 | 3.9 | 70.35 | 69.7 | | 2009-06 | 6.6 | 4.5 | 68.57 | 70.2 | | 2009-07 | 5.06 | 5.9 | 68.19 | 71 | | 2009-08 | 0.39 | 7.8 | 67.36 | 72.1 | | 2009-09 | 6.73 | 10 | 70.32 | 73.3 | | 2009-10 | 7 | 11.5 | 72.14 | 74.1 | | 2009-11 | 7.7 | 12.5 | 73.66 | 74.5 | | 2009-12 | 15.77 | 13.7 | 76.84 | 74.8 | | 2010-01 | 21.32 | 14.9 | 81.31 | 75.5 | | 2010-02 | 31 | 16.8 | 84.74 | 76.4 | | 2010-03 | 25.19 | 19.2 | 82.96 | 77.4 | | 2010-04 | 11.2 | 21.6 | 75.72 | 78.2 | | 2010-05 | 19.97 | 23.9 | 73.63 | 79 | | 2010-06 | 17.97 | 25.4 | 72.38 | 79.6 | | 2010-07 | 23.13 | 26.1 | 79.6 | 80 | | 2010-08 | 28.23 | 27.5 | 79.16 | 80.5 | | 2010-09 | 35.67 | 30.7 | 80.95 | 82.6 | | 2010-10 | 35.03 | 36 | 81.42 | 85.9 | | 2010-11 | 36.17 | 40.7 | 82.56 | 88.4 | | 2010-12 | 22 | 44 | 84.19 | 90.3 | | 2011-01 | 32.19 | 47.4 | 83.39 | 91.9 | | 2011-02 | 53.54 | 50.8 | 94.55 | 93.4 | | 2011-03 | 81.06 | 55.3 | 124.26 | 96.6 | | 2011-04 | 81.73 | 61.6 | 112.85 | 101.2 | | 2011-05 | 61.84 | 69 | 95.68 | 106.5 | | 2011-06 | 55.53 | 76.4 | 95.86 | 111.8 | | 2011-07 | 66.68 | 82.3 | 94.34 | 116.4 | | 2011-08 | 66 | 84.5 | 101.61 | 119 | | 2011-09 | 106.4 | 84.1 | 135.27 | 119.2 | | 2011-10 | 116.1 | 84.1 | 137.4 | 118.8 | | 2011-11 | 131.77 | 85.7 | 153.5 | 119.9 | | 2011-12 | 104.74 | 88.6 | 141.46 | 122 | | 2012-01 | 90.06 | 91.4 | 134.79 | 124.9 | | 2012-02 | 48.48 | 93.6 | 106.86 | 127.2 | | 2012-03 | 77.55 | 93.5 | 115.71 | 127.3 | | 2012-04 | 84.1 | 90.7 | 113.26 | 126.3 | | 2012-05 | 98.74 | 87.2 | 121.4 | 124.3 | | 2012-06 | 88.63 | 83.6 | 120.4 | 121.6 | | 2012-07 | 99.61 | 82.1 | 137.61 | 119.9 | | 2012-08 | 85.81 | 83 | 115.86 | 119.4 | | 2012-09 | 84.03 | 83.7 | 123.4 | 119.1 | | 2012-10 | 73.52 | 85 | 123.07 | 119.5 | | 2012-11 | 89.2 | 87.3 | 121.15 | 120.4 | | 2012-12 | 60.42 | 88.1 | 108.26 | 120.4 | | 2013-01 | 99.87 | 87.2 | 126.83 | 119.1 | | 2013-02 | 60.07 | 86.8 | 104.41 | 118.1 | | 2013-03 | 81.1 | 85.8 | 111.36 | 117.2 | | 2013-04 | 112.83 | 86.8 | 124.95 | 116.7 | | 2013-05 | 125.58 | 90.6 | 131.43 | 118.3 | | 2013-06 | 80.17 | 94.5 | 110.74 | 121.1 | | 2013-07 | 86.19 | 98 | 115.53 | 124.3 | | 2013-08 | 90.23 | 103.9 | 114.9 | 128.5 | | 2013-09 | 55.03 | 111.1 | 102.83 | 132.9 | | 2013-10 | 127.16 | 114.4 | 132.86 | 135.3 | | 2013-11 | 125.73 | 114.7 | 148.78 | 136 | | 2013-12 | 118.29 | 115.5 | 148.1 | 136.5 | | 2014-01 | 125.97 | 117.8 | 162.69 | 137.9 | | 2014-02 | 174.61 | 119.6 | 170.13 | 139.2 | | 2014-03 | 141.13 | 123.3 | 150.5 | 141.4 | | 2014-04 | 130.57 | 124.9 | 143.94 | 144.2 | | 2014-05 | 116.81 | 122.4 | 130.11 | 145.4 | | 2014-06 | 107.77 | 121.5 | 122.37 | 146.1 | | 2014-07 | 113.61 | 120.5 | 137.85 | 145.7 | | 2014-08 | 106.23 | 115.2 | 124.56 | 143.1 | | 2014-09 | 127.43 | 107.5 | 146.57 | 140.4 | | 2014-10 | 92.06 | 101.8 | 154.99 | 138.8 | | 2014-11 | 101.87 | 98 | 155.74 | 137.8 | | 2014-12 | 120.03 | 95.3 | 159.02 | 137.6 | | 2015-01 | 101.26 | 92.2 | 142 | 136.6 | | 2015-02 | 70.68 | 88.4 | 128.92 | 134.6 | | 2015-03 | 61.71 | 84.3 | 126.89 | 131.9 | | 2015-04 | 72.57 | 80.6 | 129.05 | 127.9 | | 2015-05 | 83 | 77.6 | 120.05 | 123.9 | | 2015-06 | 77.37 | 73.2 | 128.54 | 120 | | 2015-07 | 68.45 | 68.3 | 107 | 116.5 | | 2015-08 | 61.68 | 65.6 | 105.93 | 113.9 | | 2015-09 | 72.53 | 64.1 | 101.99 | 111.3 | | 2015-10 | 59.58 | 61.9 | 104 | 108.4 | | 2015-11 | 61.87 | 59.1 | 109.68 | 105.8 | | 2015-12 | 54.13 | 55.2 | 112.54 | 102.7 | | 2016-01 | 50.45 | 51.1 | 103.64 | 99.9 | | 2016-02 | 56.07 | 49.2 | 103.71 | 98.2 | | 2016-03 | 40.94 | 47.2 | 91.43 | 96.7 | | 2016-04 | 39.27 | 44.5 | 93.45 | 95.4 | | 2016-05 | 48.9 | 41.6 | 93.36 | 93.3 | | 2016-06 | 17.43 | 38.4 | 81.95 | 90.5 | | 2016-07 | 32.1 | 35.7 | 86.31 | 87.8 | | 2016-08 | 50.42 | 33.2 | 85.15 | 85.6 | | 2016-09 | 37.4 | 30.7 | 87.45 | 83.8 | | 2016-10 | 29.06 | 29.3 | 86.15 | 82.6 | | 2016-11 | 22.43 | 27.6 | 78.58 | 81.2 | | 2016-12 | 17.06 | 26.3 | 75.29 | 80.1 | | 2017-01 | 23.58 | 25.6 | 77.37 | 79.5 | | 2017-02 | 22.07 | 23.8 | 76.95 | 78.8 | | 2017-03 | 15.61 | 22.9 | 74.69 | 78.9 | | 2017-04 | 30.47 | 22.5 | 80.91 | 78.8 | | 2017-05 | 16.97 | 21.1 | 73.6 | 78.1 | | 2017-06 | 18 | 19.9 | 74.83 | 77.7 | | 2017-07 | 14.58 | 18.8 | 77.58 | 77.2 | | 2017-08 | 25 | 17.6 | 78.25 | 76.7 | | 2017-09 | 42.27 | 16.6 | 95.49 | 76.2 | | 2017-10 | 12.9 | 15 | 76.39 | 75.5 | | 2017-11 | 5.43 | 13.9 | 72.28 | 74.9 | | 2017-12 | 6.42 | 13.6 | 71.7 | 74.7 | | 2018-01 | 5.84 | 12.8 | 70.01 | 74.3 | | 2018-02 | 11.46 | 11.6 | 71.63 | 73.6 | | 2018-03 | 2.35 | 9.2 | 68.26 | 72.1 | | 2018-04 | 6.77 | 7.2 | 69.97 | 70.7 | | 2018-05 | 13.1 | 6.8 | 70.95 | 70.2 | | 2018-06 | 14.5 | 6.6 | 72.66 | 70 | | 2018-07 | 0.35 | 6.6 | 69.61 | 70 | | 2018-08 | 8.42 | 6.2 | 69.05 | 70 | | 2018-09 | 2.67 | 6 | 68.17 | 70.1 | | 2018-10 | 4.48 | 6.4 | 69.56 | 70.4 | | 2018-11 | 3.9 | 6.3 | 69.02 | 70.5 | | 2018-12 | 3.48 | 5.7 | 70.05 | 70.3 | | 2019-01 | 8.29 | 5.2 | 71.58 | 70 | | 2019-02 | 0 | 4.9 | 70.59 | 69.9 | | 2019-03 | 9.1 | 4.5 | 71.52 | 69.8 | | 2019-04 | 8.5 | 4.2 | 72.47 | 69.7 | | 2019-05 | 9.97 | 3.9 | 71.32 | 69.6 | | 2019-06 | 1.93 | 3.7 | 68.13 | 69.7 | | 2019-07 | 0.74 | 3.6 | 67.25 | 69.8 | | 2019-08 | 0.74 | 3.5 | 67.05 | 69.8 | | 2019-09 | 0.8 | 3.2 | 68 | 69.8 | | 2019-10 | 0.71 | 2.7 | 67.46 | 69.6 | | 2019-11 | 0.8 | 2.1 | 70.18 | 69.4 | | 2019-12 | 1.87 | 1.9 | 70.93 | 69.4 | | 2020-01 | 5.94 | 2.3 | 72.32 | 69.5 | | 2020-02 | 0.38 | 2.8 | 70.9 | 69.8 | | 2020-03 | 1.19 | 3.1 | 70.19 | 70.1 | | 2020-04 | 4.83 | 3.6 | 69.56 | 70.5 | | 2020-05 | 0 | 5.3 | 69.21 | 71.7 | | 2020-06 | 5.87 | 7.4 | 69.7 | 73.2 | | 2020-07 | 6.48 | 8.4 | 69.47 | 74 | | 2020-08 | 7.84 | 9 | 71.66 | 74.3 | | 2020-09 | 0.8 | 10 | 70.56 | 74.6 | | 2020-10 | 13.19 | 11.5 | 74.59 | 75 | | 2020-11 | 28.97 | 13.1 | 90.11 | 75.5 | | 2020-12 | 22.52 | 14.7 | 87.28 | 76.2 | | 2021-01 | 11.13 | 16.7 | 76.07 | 77.1 | | 2021-02 | 8.36 | 18.6 | 73.63 | 77.8 | | 2021-03 | 17.03 | 21.3 | 75.15 | 78.8 | | 2021-04 | 24.83 | 24.4 | 74.74 | 80.1 | | 2021-05 | 20.03 | 25.7 | 75.64 | 80.7 | | 2021-06 | 24.4 | 28 | 79.81 | 81.2 | | 2021-07 | 35.87 | 31.8 | 80.97 | 83 | | 2021-08 | 22.77 | 36.1 | 77.93 | 85.7 | | 2021-09 | 51.93 | 40.7 | 87.4 | 88.9 | | 2021-10 | 36.61 | 45 | 90.3 | 93 | | 2021-11 | 36.03 | 50.2 | 86.92 | 97.8 | | 2021-12 | 69.42 | 55.1 | 102.94 | 101.7 | | 2022-01 | 56.97 | 59.5 | 104.05 | 105.1 | | 2022-02 | 65.61 | 63.8 | 109.15 | 108.6 | | 2022-03 | 69.06 | 67 | 117.79 | 112.2 | | 2022-04 | 76.43 | 70.3 | 130.63 | 116 | | 2022-05 | 92.45 | 73.6 | 133.98 | 119.3 | | 2022-06 | 71.53 | 76.5 | 115.81 | 122.7 | | 2022-07 | 93.03 | 81.4 | 125.62 | 127.9 | | 2022-08 | 69.74 | 87.1 | 118.13 | 133.8 | | 2022-09 | 82.23 | 91.3 | 134.69 | 138 | | 2022-10 | 85.29 | 93.6 | 132.84 | 140.3 | | 2022-11 | 65.1 | 95.7 | 123.56 | 141.9 | | 2022-12 | 110.03 | 100 | 148.46 | 144.7 | | 2023-01 | 133.35 | 105 | 182.47 | 148.9 | | 2023-02 | 126.75 | 108.4 | 172.09 | 152.5 | | 2023-03 | 108.55 | 111.6 | 157.53 | 154.9 | | 2023-04 | 93.67 | 114 | 145.86 | 156.1 | | 2023-05 | 125.77 | 116.1 | 156.04 | 157.8 | | 2023-06 | 140.57 | 117.9 | 162.39 | 159.5 | | 2023-07 | 143.65 | 117.6 | 177.53 | 159.2 | | 2023-08 | 99.87 | 116.7 | 153.92 | 158.5 | | 2023-09 | 129.93 | 116.1 | 155.74 | 158.4 | | 2023-10 | 94.94 | 117.8 | 141.59 | 159 | | 2023-11 | 105.87 | 120.6 | 154.36 | 161 | | 2023-12 | 113.65 | 122.2 | 159.28 | 163.3 | | 2024-01 | 121.77 | 124.8 | 163.99 | 165.1 | | 2024-02 | 116.59 | 131.1 | 173.28 | 169.8 | | 2024-03 | 103.06 | 136.1 | 155.19 | 175.3 | | 2024-04 | 141.1 | 139.5 | 161.7 | 180.4 | | 2024-05 | 146.26 | 143.9 | 188.37 | 185.7 | | 2024-06 | 157.1 | 146.4 | 185.06 | 189.1 | | 2024-07 | 190.29 | 148.2 | 198.63 | 191.8 | | 2024-08 | 203.1 | 150.7 | 245.6 | 193.3 | | 2024-09 | 147.97 | 153.3 | 196.71 | 194.1 | | 2024-10 | 159.45 | 153.6 | 222.62 | 194.5 | | 2024-11 | 144.97 | 150.2 | 199.95 | 192.3 | | 2024-12 | 134.9 | 145.5 | 196.9 | 187.9 | | 2025-01 | 145.23 | 140.5 | 189.39 | 183.1 | | 2025-02 | 152.64 | 134.7 | 184.31 | 176.8 | | 2025-03 | 127.74 | 131 | 163.78 | 171.3 | | 2025-04 | 124.1 | 128 | 162.21 | 166.1 | | 2025-05 | 82.58 | 123.5 | 135.25 | 160.2 | | 2025-06 | 106.83 | 120.4 | 131.45 | 156.2 | | 2025-07 | 120.81 | 118.6 | 137.72 | 153.1 | | 2025-08 | 133.71 | 114.3 | 156.11 | 149.5 | | 2025-09 | 128.57 | 109.4 | 153.93 | 146.1 | | 2025-10 | 107.06 | 106.5 | 139.68 | 142.9 | | 2025-11 | 88.63 | 105.8 | 141.63 | 140.8 | | 2025-12 | 118.29 | 106.4 | 160.13 | 140.7 | | 2026-01 | 119.23 | 104.7 | 151.16 | 140.9 | | 2026-02 | 73.54 | 100.8 | 135.93 | 139.2 | | 2026-03 | 89.87 | 96.1 | 130.66 | 135.5 | | 2026-04 | 91.6 | | 120.01 | | | 2026-05 | 99.45 | | 125.69 | | | 2026-06 | 104.47 | | 138.21 | | | 2026-07 | 80.84 | | 136.01 | | | 2026-08 | 81.32 | | 116.22 | | | 2026-09 | 68.73 | | 105.41 | | Source: https://aidb.si/d/sunspots — NOAA Space Weather Prediction Center. 10.7 cm solar flux observations by the National Research Council Canada (Dominion Radio Astrophysical Observatory, Penticton).