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
20140417 178.9 403 247 296 9.9 10 4-18 33212321 33213422 343-445 13    
20140416 173.1 386 270 245 4.4 4 2-9 11111012 01122322 272-345 15 1  
20140415 161.9 310 243 149 4.1 4 3-7 12111111 22212212 336-373 12    
20140414 150.3 266 198 105 6.3 6 2-12 22310122 21412332 341-442 11    
20140413 137.1 248 130 95 11.6 12 5-18 33331232 33332232 324-410 4    
20140412 135.9 153 108 74 20.9 21 7-39 54433233 43534423 308-380 2    
20140411 137.6 155 119 83 6.1 6 2-18 01211213 02312322 345-419 7    
20140410 136.7 163 115 78 1.3 1 0-2 00000000 01112321 345-461 9    
20140409 130.9 202 129 95 3.9 4 2-6 00112111 01222221 438-567 3    
20140408 132.0 214 152 94 3.4 3 0-7 21012100 11013020 391-492 1    
20140407 139.9 272 214 106 11.1 11 4-27 32213422 10214411 334-431 7    
20140406 140.9 254 179 127 3.4 3 2-9 20000101 20002201 356-467 2    
20140405 142.1 283 203 172 11.6 12 3-22 11144323 11244333 425-551 3    
20140404 156.9 338 220 159 4.8 5 2-6 11222210 11223321 367-467 10    
20140403 153.0 333 226 137 5.6 6 4-7 12122112 12132322 349-454 7    
20140402 154.7 279 187 126 4.3 4 3-6 11111112 11113312 371-499 9 1  
20140401 153.3 245 170 124 5.5 6 3-12 11112213 11102422 358-504 9    
20140331 152.4 259 148 129 5.5 6 2-12 01112320 11114421 366-440 13 1  
20140330 148.4 292 210 122 4.0 4 3-7 21111111 20112321 350-445 11 1  
20140329 142.7 252 187 132 6.9 7 3-15 32111113 33122313 372-479 14   1
20140328 146.4 344 250 135 6.5 6 3-15 11112123 11113333 400-511 4 2  
20140327 144.8 274 205 145 5.0 5 2-7 11122220 11242411 357-471 2    
20140326 153.2 317 207 123 8.8 9 3-22 41411121 31322212 350-499 6    
20140325 152.8 268 178 114 7.0 7 2-18 00022133 0012233x 346-516 3    
20140324 158.6 325 230 132 3.1 3 0-6 20111110 21113311 354-478 7    
20140323 157.0 310 219 159 5.5 6 4-7 12212122 12222322 402-524 14    
20140322 154.9 326 246 159 4.3 4 2-7 20112111 21113422 343-460 7 1  
20140321 152.6 357 269 125 8.8 9 5-15 22222311 32333412 289-389 6    
20140320 151.3 307 216 137 4.9 5 3-9 12221111 12122211 284-340 9 1  
20140319 149.2 299 212 137 3.6 4 2-6 21211101 11111221 289-333 11    
20140318 138.3 297 218 125 5.0 5 3-6 12212221 12312321 274-339 5    

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]