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/DSCOVR)
Number
of flares
Magnetic
(SDO)
NOAA STAR
ap avg
Pots-
dam
WDC
Daily
ap range
Planetary
(WDC)
Boulder C M X
2K 1K
20181212 70.8 14 12 0 3.6 4 2-6 21110121 11001111 350-458      
20181211 71.0 12 12 11 7.1 7 2-12 12320231 12341222 446-558      
20181210 71.0 14 13 0 9.4 9 5-15 23332212 23332111 527-671      
20181209 71.6 12 0 12 9.5 10 4-27 21111234 11112223 498-681      
20181208 70.5 13 13 12 9.1 9 6-15 23322322 23322311 446-575      
20181207 70.1 19 14 16 9.5 10 4-18 12322233 13322322 350-490      
20181206 69.7 26 18 17 5.0 5 4-7 22112111 21212110 347-381      
20181205 70.9 33 23 16 4.4 4 2-7 22001112 22001212 349-461      
20181204 68.7 26 17 0 7.0 7 3-15 32211212 32221211 370-458      
20181203 68.4 11 11 0 8.6 9 5-15 21122332 23223322 399-479      
20181202 69.0 0 0 0 10.9 11 6-18 22222333 22332333 370-437      
20181201 69.4 0 0 0 6.9 7 2-15 01112332 01112322 283-401      
20181130 67.9 0 0 0 2.0 2 0-7 10000010 11011110 283-351      
20181129 67.8 23 0 0 2.0 2 0-7 20000001 20011101 334-368      
20181128 67.5 11 0 0 1.8 2 0-5 10000101 11011210 349-417      
20181127 68.4 0 0 0 4.6 5 0-7 11012222 01112322 279-405      
20181126 68.6 26 12 0 1.3 1 0-4 11000000 11001221 276-330      
20181125 69.6 28 11 15 3.0 3 0-4 11011101 21012111 286-341      
20181124 70.0 29 16 14 2.6 3 0-6 00001211 00111212 286-341      
20181123 69.2 17 13 0 2.1 2 0-4 11010000 01011111 300-350      
20181122 69.2 0 0 0 2.4 2 0-4 10110100 10111110 320-367      
20181121 68.8 0 0 0 4.0 4 0-12 13110001 13121111 346-408      
20181120 70.5 11 11 0 5.9 6 2-15 33110111 23210101 311-412      
20181119 71.1 11 11 12 3.8 4 0-6 11100112 12111101 302-331      
20181118 72.3 20 14 14 2.6 3 0-4 11001101 01011101 292-330      
20181117 73.3 30 27 13 0.8 1 0-2 00000000 00100100 277-339      
20181116 71.1 24 16 14 1.4 1 0-4 00001100 00001210 293-348      
20181115 68.4 27 14 13 1.3 1 0-3 00000101 01000100 343-360      
20181114 67.9 38 24 11 3.1 3 2-5 01011111 01112111 343-449      
20181113 67.0 22 11 11 3.3 3 0-7 21111000 11221110 421-550      

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]