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
20140827 123 164 115 82 16.3 16 3-32 12333443 13444433 289-351 3    
20140826 128 195 124 81 2.8 3 0-4 00011111 00022222 275-330 7    
20140825 135 173 113 112 2.1 2 0-4 00011101 00002321 276-307 4 2  
20140824 141 210 158 128 1.6 2 0-4 10001000 01121111 273-308 7 1  
20140823 132 246 171 124 4.1 4 2-6 12110111 13223421 282-321 7    
20140822 126 190 124 139 2.6 3 0-7 12100001 23112211 286-346 9 1  
20140821 128 214 142 128 8.5 8 5-15 32222132 33243221 279-324 11 1  
20140820 118 192 116 89 7.0 7 4-12 31221123 21112222 285-380 10    
20140819 111 182 145 84 15.3 15 4-48 11232345 11243345 292-449 1    
20140818 111 198 109 92 3.9 4 0-6 11201111 11201221 282-326 2    
20140817 115 174 124 121 5.0 5 2-9 21122201 21123312 279-345 1    
20140816 112 199 140 99 1.5 2 0-4 11000001 11002321 283-304 2    
20140815 113 185 114 119 3.3 3 2-4 11011111 11112311 285-358 4    
20140814 103 173 109 108 3.1 3 2-6 11010012 01112412 334-373      
20140813 103 205 141 68 5.3 5 3-7 22211111 33212212 357-454      
20140812 104 149 97 80 9.1 9 4-18 32111233 22112433 384-506      
20140811 105 152 85 82 6.1 6 3-15 11111213 21112313 373-462 1    
20140810 108 116 92 64 8.5 8 3-27 11112242 10223332 282-447 1    
20140809 113 160 83 111 2.8 3 2-5 01110010 12301221 308-359 1    
20140808 123 187 131 101 7.4 7 2-15 33222101 34322211 347-389 4    
20140807 136 252 169 158 4.3 4 3-6 11111121 12122322 346-390 3    
20140806 137 291 176 119 5.3 5 3-9 22211111 23423211 363-450 1    
20140805 139 231 135 93 8.3 8 5-12 22213232 33323332 399-460 6    
20140804 139 260 178 111 9.8 10 5-18 23222133 24332232 317-463 6    
20140803 152 304 213 152 4.6 5 0-9 12110122 12132222 352-418 7    
20140802 156 267 197 178 9.3 9 5-18 21223312 32333422 355-444 9    
20140801 168 358 255 165 7.8 8 3-18 21122133 22133434 285-420 7 2  
20140731 156.4 312 218 139 4.8 5 4-7 11111122 11122312 275-302 9 1  
20140730 151.9 281 182 145 3.4 3 2-9 21001100 22012322 283-336 7    
20140729 141.6 252 168 160 3.1 3 2-5 11001110 12112312 307-379 7    
20140728 132.2 251 177 143 8.8 9 5-15 22322321 23322421 327-436 2    

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]