Solar and geomagnetic data

Date Measured
solar flux
Sunspot number Planetary A index K indices
(3-hour intervals)
Solar wind
speed range
(km/s)
(SOHO)
Number
of flares
STAR SDO NOAA STAR
ap avg
WDC Daily
ap range
Planetary
(WDC)
Boulder C M X
2K 1K
20120630 124.0 178 128 90 24.8 25 9-39 23445444 33443434 363-724 7 2  
20120629 117.4 185 119 97 4.6 5 3-9 11111112 11112213 353-438 9 1  
20120628 111.2 198 127 73 5.5 6 3-12 11322111 22312212 357-545 5 1  
20120627 106.3 155 98 79 5.8 6 3-9 11112222 11122212 349-558 6    
20120626 99.2 150 113 28 6.5 6 2-12 23221102 24222212 349-489 2    
20120625 88.6 97 51 14 8.4 8 5-18 12223321 12333322 331-516 1    
20120624 85.3 95 47 24 3.6 4 2-6 20111110 11112211 338-386      
20120623 84.0 65 49 13 3.5 4 2-7 00110210 10221212 348-448 1    
20120622 88.4 65 48 13 3.8 4 0-7 11212100 11122322 353-492      
20120621 97.7 29 28 13 2.4 2 0-3 01001111 11012211 285-478      
20120620 103.7 64 37 29 2.8 3 0-5 11110010 22011212 326-519 5    
20120619 109.9 80 61 64 1.4 1 0-3 00100000 01111212 343-577 3    
20120618 118.0 106 75 66 16.9 17 4-56 45322211 45322212 427-577 2    
20120617 124.0 143 79 96 42.8 43 18-80 43566444 43465544 391-562 7    
20120616 134.5 207 103 110 19.9 20 2-94 01023346 11133346 277-620 7    
20120615 144.9 210 139 113 1.8 2 0-3 00001111 00011221 283-342 7    
20120614 140.4 223 136 114 2.8 3 0-4 11111110 11121111 305-405 10 1  
20120613 142.8 245 165 134 4.3 4 2-7 22110111 22222221 345-396 11 1  
20120612 141.3 239 135 132 11.9 12 4-48 54111111 54101322 346-436 14    
20120611 133.9 227 148 98 16.6 17 6-56 22322345 22422324 353-441 7    
20120610 128.3 254 166 127 4.5 4 0-7 01012212 11112322 378-499 5 1  
20120609 128.3 221 155 93 7.4 7 4-18 12122132 22212233 441-569 9 2  
20120608 124.2 167 110 90 6.1 6 2-12 11231021 12342221 490-594 2    
20120607 128.2 197 131 98 6.6 7 5-9 22212222 22132222 560-722 13    
20120606 132.7 287 205 131 17.0 17 7-32 34233343 34233443 590-775 6 1  
20120605 138.7 311 215 154 17.0 17 9-27 24334333 34324333 603-840 5    
20120604 128.2 282 190 155 16.1 16 5-27 13344234 23354323 324-664 1    
20120603 129.4 261 198 133 24.1 24 5-67 22235641 33334542 324-418 3 1  
20120602 129.1 245 186 113 8.8 9 3-22 11111334 11222323 326-375 2    
20120601 128.6 223 177 151 5.1 5 2-7 12022211 12121212 344-386 7    
Average 119.7 180.3 120.6 88.2 10.08 10.13  
International sunspot number: 64.5
K factor   0.36 0.53 0.73  

This page is normally updated once a day by Jan Alvestad. Solar wind speed is preliminary. The source for Ap and Kp was changed to Potsdam (WDC) on March 15, 2012. Values in red are based on the definitive WDC data. Flare enhanced and erroneous solar flux measurements are replaced by other same day measurements (QC).

[Solar Terrestrial Activity Report]