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
20180331 69.0 12
 11
 12
 5.6
 		6
 		3-12
 		32111211 22212311 395-477  
    
20180330 68.8 27
 12
 11
 4.4
 		4
 		3-9
 		12111111 12112211 356-464 1
   
20180329 69.0 28
 23
 0 3.3
 		3
 		0-6 00121211 00121221 342-450      
20180328 68.6 0
 0
 0 1.8
 		2
 		0-3 10100000 11101211 345-445      
20180327 68.3 0
 0
 0 7.5
 		8
 		2-15 33222101 32332211 416-552      
20180326 67.8 0
 0
 0 10.1
 		10
 		5-15 33321232 33332322 441-540      
20180325 68.3
 0
 0
 0 16.0
 		16
 		7-27 34332324 44342223 435-479      
20180324 67.6
 0
 0
 0 7.5
 		8
 		5-12 22122223 22332313 381-533      
20180323 68.1 11
 11 0 14.9
 		15
 		5-27 43132244 33232333 372-531      
20180322 68.5 22 11 0 6.4
 6 2-15 12001233 12102323 294-431      
20180321 69.3
 0
 0
 0
 3.6
 		4
 		0-7
 		12100021 11101221 306-382      
20180320 68.8
 11
 0
 0
 6.6
 7
 		2-15 33001021 33102221 347-463      
20180319 70.3 0
 0
 0
 13.8
 		14 4-32 44312223 54322212 448-598      
20180318 69.1 14 12 13 22.5 22 3-80 32113446 33123435 451-597      
20180317 69.7 16 14 15 13.5
 14 6-32 43222224 42333333 443-549      
20180316 68.6 12 0 0 18.4 18 9-32 34323434 24442333 422-537      
20180315 69.0 12 11 11 14.8 15 6-27 42232334 43232323 366-560      
20180314 67.7 11 0 0 9.6 10
 2-27 00111434 11212423 284-470      
20180313 68.6 22 11 0 2.5 2
 0-4 00111110 01111211 340-350      
20180312 68.1 11 11 0 1.9 2 0-4 00001110 10002311 345-360      
20180311 67.8 0 0 0 4.3 4 2-9 21100111 32311210 345-449      
20180310 67.7 13 0 0 11.6 12 5-27 44312122 43332222 345-483      
20180309 67.5 0 0 0 10.4 10
 3-32 33111124 33121224 341-484      
20180308 66.6 26 11 0 3.3 3 0-6 11210010 02311211 340-353      
20180307 67.8 11 0 0 2.9 3 0-12 00100031 10200122 345-379      
20180306 67.6 22 11 0 4.1 4 3-67 21111211 21121211 345-442      
20180305 67.6 0 0 0 4.1 4 0-5 10111111 11222322 346-387      
20180304 67.5 0 0 0 5.5 6
 3-12 32211111 32222211 333-460      
20180303 67.8 0 0 0 5.4 5 0-12 10121123 11221222 273-383      
20180302 67.8 11 0 11 3.5 4
 2-12 30000011 11111121 304-356 1    
20180301 67.2 15 14 11 5.6 6
 3-12 12111132 12111122 347-428      
Average 67.6
 9.9 5.3 2.7
 7.91
 7.97
International sunspot number (SILSO-WDC): 2.5
K factor   0.25 0.47 0.92  

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).

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