Solar and geomagnetic data

Date Measured
solar flux
2.8 GHz
Sunspot number Planetary A index K indices
(3-hour intervals)
Solar wind
speed range
(km/s)
(SOHO)
Number
of flares
Magnetic
(SDO)
NOAA STAR
ap avg
Pots-
dam
WDC
Daily
ap range
Planetary
(WDC)
Boulder C M X
2K 1K
20160727 71.6 12 0 0 2.5 2 0-7 11000012 11011212 289-333      
20160726 73.5 0 0 0 3.6 4 2-5 11101111 22212321 313-403      
20160725 73.6 0 0 0 13.9 14 7-22 43333322 45433432 358-508 1    
20160724 82.2 11 11 16 12.4 12 3-32 21111344 21222444 352-460 10 2  
20160723 86.2 35 27 34 6.3 6 2-12 23311012 33321222 351-470 6 3  
20160722 90.4 58 48 36 6.6 7 4-12 11222322 12223322 350-488 3    
20160721 100.1 65 51 49 4.5 4 2-9 10111202 10121422 349-517 9 2  
20160720 108.0 87 61 56 17.9 18 5-56 54322221 55433322 435-583 7    
20160719 106.1 85 58 58 8.4 8 2-48 10001115 11112315 289-451 2    
20160718 107.1 96 75 68 3.0 3 2-5 11110001 21211212 340-434 2    
20160717 105.2 111 72 51 4.8 5 3-7 11111122 22222212 402-470 5    
20160716 106.6 103 77 47 6.8 7 4-12 31113121 31123222 447-604 10    
20160715 102.1 127 87 73 10.1 10 6-15 23332223 24332323 564-680 1    
20160714 95.1 179 121 54 10.9 11 6-27 22432222 12442222 453-569      
20160713 93.8 84 59 54 7.1 7 5-15 32122212 33232222 462-595      
20160712 92.4 81 61 63 18.3 18 6-32 34442233 35542223 449-616      
20160711 94.7 99 78 62 9.8 10 5-12 23123233 23123323 432-554      
20160710 94.4 94 75 46 8.6 9 6-12 22233222 22243232 502-608 1    
20160709 92.2 102 77 63 12.4 12 6-18 32323322 33433332 556-625 2    
20160708 87.1 89 70 55 19.0 19 9-27 32344442 33445333 465-617 1    
20160707 83.3 55 48 25 21.1 21 12-39 33333454 23333534 339-514 1    
20160706 77.1 66 59 11 3.9 4 0-12 00011113 10122313 281-343      
20160705 72.4 47 23 23 3.0 3 2-5 11100011 23211211 288-368      
20160704 73.8 49 22 0 5.0 5 2-7 22211021 22332221 350-448      
20160703 72.3 52 34 0 7.6 8 4-12 32111223 33232323 378-472      
20160702 70.9 23 22 0 7.1 7 3-22 11111134 12223234 305-419      
20160701 72.0 39 24 0 6.4 6 0-18 32221100 24332201 346-400      
20160630 72.9 12 12 0 5.8 6 2-15 01010233 10011223 310-369      
20160629 73.6 25 0 0 4.1 4 3-6 21111121 21111111 325-397      
20160628 73.1 24 0 0 5.4 5 2-9 22112110 33123221 371-470      

This page is normally updated once a day by Jan Alvestad. Solar wind speed is preliminary. Ap and Kp values in red are based on the definitive Potsdam WDC data. Flare enhanced and erroneous solar flux measurements are replaced by other same day measurements (QC).

[Solar Terrestrial Activity Report]