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
20140920 119 162 123 75 5.0 5 3-9 22112111 22123212 416-552 2    
20140919 122 149 92 91 21.5 21 12-39 45333443 45424432 332-498 4    
20140918 120 158 101 75 6.1 6 2-15 21101123 21112223 320-376 3 1  
20140917 125 163 115 91 4.0 4 0-7 20001222 21012322 346-395 8    
20140916 133 215 159 86 6.1 6 3-9 22221122 12222222 349-457 5    
20140915 132.9 221 163 156 2.3 2 0-4 00101001 11112211 379-495 4    
20140914 139.3 222 173 120 1.9 2 0-3 00101100 11212210 433-612 4 1  
20140913 145.1 237 160 165 11.8 12 5-27 43412221 42423222 461-855 9    
20140912 152.0 264 188 157 37.1 37 6-94 54232556 54232536 373-766 9    
20140911 151.4 272 187 164 10.6 11 4-22 34222113 33444313 325-446 8 2  
20140910 155.3 294 218 161 6.3 6 0-15 20111223 20113434 315-370 5   1
20140909 159.3 321 216 162 6.8 7 5-9 22122222 22113322 328-433 3    
20140908 163.9 324 222 158 4.5 4 3-7 01211122 12312222 302-441 13 1  
20140907 151.8 276 195 154 6.6 7 2-15 33211110 33312211 302-409 9    
20140906 157.3 236 180 170 9.4 9 4-18 12312323 12323322 327-411 10 1  
20140905 143.9 273 198 124 6.6 7 5-12 11222223 12243412 340-419 11    
20140904 146.0 219 139 136 6.0 6 3-12 32122111 22243321 359-414 10    
20140903 137.7 186 142 104 8.8 9 5-18 33321112 33333322 350-436 6 1  
20140902 136.3 256 173 105 8.8 9 7-15 22223223 23323423 361-435 13    
20140901 126.6 215 163 94 10.0 10 7-15 32223223 34343323 356-452 6    
20140831 124.8 165 119 90 13.9 14 6-27 22243244 22333433 371-452 10    
20140830 123.1 188 138 64 13.8 14 6-22 44233232 34234322 367-433 8    
20140829 119.9 179 126 73 17.5 18 9-27 34343234 25453333 346-414 6    
20140828 118.6 142 93 78 18.9 19 9-39 35432432 36443431 307-372 3    
20140827 122.8 164 115 82 18.9 19 3-32 12344443 13444433 289-351 3    
20140826 128.1 195 124 81 3.0 3 0-5 00011111 00022222 275-330 7    
20140825 137.3 173 113 112 2.1 2 0-3 00011111 00002321 276-307 4 2  
20140824 140.9 210 158 128 2.0 2 0-5 10111000 01121111 273-308 7 1  
20140823 132.0 246 171 124 3.9 4 2-7 12110111 13223421 282-321 7    
20140822 126.4 190 124 139 2.6 3 0-7 12001001 23112211 286-346 9 1  
20140821 128.3 214 142 128 9.1 9 5-15 33222132 33243221 279-324 11 1  

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]