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
20150330 133.6 183 138 56 3.9 4 2-6 22110012 21112311 277-360 5    
20150329 144.5 187 143 73 9.1 9 5-22 43222121 33422422 344-466 14    
20150328 145.6 230 159 87 7.6 8 2-15 02321223 01422323 346-519 15    
20150327 137.8 240 157 109 6.6 7 3-12 32222111 22213212 349-454 5    
20150326 136.1 244 174 103 7.1 7 2-15 21202223 21213323 356-547 4    
20150325 137.8 216 147 115 11.1 11 6-18 22233232 22343232 461-607 10    
20150324 133.0 221 163 127 8.4 8 4-18 11123322 11223322 463-573 2    
20150323 128.1 244 176 119 16.3 16 9-32 44234323 45233323 527-710 3    
20150322 122.4 200 147 88 22.3 22 4-94 23643111 24544212 549-759 2    
20150321 113.6 161 134 40 10.6 11 5-22 43332221 43332222 553-754 2    
20150320 112.7 131 80 27 20.6 21 9-32 43433234 42542334 541-672 1    
20150319 109.3 158 97 71 24.3 24 9-39 44354324 55444323 550-686 4    
20150318 114.8 113 79 46 46.1 46 22-80 65446555 44445544 537-756 23    
20150317 114.3 108 64 60 107.4 107 7-179 25668877 14657656 367-692 3 1  
20150316 117.2 153 96 57 10.6 11 2-18 23332310 23322321 346-472 10 1  
20150315 114.4 118 88 54 6.5 6 4-12 22311121 12322322 302-337 7 2  
20150314 115.6 143 86 56 5.3 5 2-9 02212102 13212221 310-355 15 1  
20150313 119.4 134 100 87 5.9 6 2-18 10023211 10014312 350-428 8 2  
20150312 126.7 145 107 56 7.6 8 0-18 23222210 13333211 363-416 16 5  
20150311 131.7 189 103 42 8.6 9 2-15 03322321 13223322 365-443 14 3 1
20150310 120.9 132 99 42 4.0 4 2-6 11211010 12232221 355-394 14 2  
20150309 122.9 138 92 29 5.3 5 0-18 32001101 32002211 371-512 13 2  
20150308 124.2 117 71 23 10.6 11 2-22 32334220 22433321 473-554 5    
20150307 137.8 119 72 20 20.9 21 15-32 44333434 34333422 452-563 6 1  
20150306 127.4 135 86 37 10.0 10 5-22 13422223 12433323 391-519 12 2  
20150305 126.6 147 101 31 5.1 5 2-9 10012221 10122322 389-471 5 1  
20150304 124.2 166 111 43 8.9 9 2-18 21133023 21243222 432-510 3    
20150303 125.1 158 107 38 10.3 10 5-18 33222123 33332223 437-553 7 1  
20150302 130.4 177 114 65 27.5 28 7-56 44554432 44644432 437-628 20 4  
20150301 127.6 164 124 66 25.9 26 5-56 55542123 55541223 441-560 6    

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]