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
20191118 70.4 0 0 0 0.8 1 0-2 00000000 000011** 319-347      
20191117 70.1 25 11 0 3.1 3 0-12 11100013 21101212 328-433      
20191116 69.7 14 11 0 5.6 6 2-9 22011222 11122221 302-417      
20191115 70.0 0 0 0 2.5 2 0-6 00010121 00001221 285-348      
20191114 69.9 0 0 0 3.4 3 2-9 21011000 21001000 289-313      
20191113 71.1 17 12 0 1.0 1 0-5 00000011 00000220 290-305      
20191112 70.8 37 23 0 3.2 3 0-7 20111100 21111311 296-362      
20191111 69.5 0 0 0 6.8 7 2-12 01232222 02232222 289-366      
20191110 70.8 11 0 0 2.5 2 0-5 10110000 10221100 286-315      
20191109 69.6 11 0 0 3.9 4 0-9 22001102 11112211 286-325      
20191108 70.2 11 0 0 2.8 3 0-4 10011111 0100221* 283-329      
20191107 69.8 11 0 0 3.5 4 0-9 22110101 22020101 311-394      
20191106 69.3 0 0 0 5.3 5 3-9 21112112 11012212 349-382      
20191105 70.4 24 11 0 4.6 5 2-6 21011222 21012211 350-442      
20191104 70.8 25 11 0 3.8 4 2-6 11211110 11212210 270-362      
20191103 69.4 23 11 0 1.1 1 0-4 10000001 11001200 313-359      
20191102 70.7 28 25 13 1.0 1 0-4 00000001 00001211 336-348      
20191101 70.7 26 24 11 3.4 3 0-9 11011211 22111210 357-442      
20191031 71.2 15 11 0 6.4 6 0-22 40010032 31111121 394-456      
20191030 69.7 0 0 0 6.6 7 4-9 11112222 12223222 345-397      
20191029 69.2 0 0 0 7.4 7 0-15 33101321 44211321 356-452      
20191028 69.4 0 0 0 10.0 10 6-18 23322232 22433222 444-555      
20191027 68.8 0 0 0 15.3 15 5-27 43321343 44422333 550-606      
20191026 68.6 0 0 0 23.8 24 15-39 33354444 42454333 555-693      
20191025 68.6 11 0 0 25.4 25 9-56 54543322 55543322 557-630      
20191024 65.0 0 0 0 17.9 18 0-32 01143444 02233434 321-637      
20191023 64.5 0 0 0 1.3 1 0-3 00000110 10002200 325-384      
20191022 65.6 0 0 0 2.5 3 0-5 00110110 00101210 344-356      
20191021 64.0 11 11 0 4.4 4 0-12 30121011 21121211 337-348      
20191020 65.0 0 0 0 4.4 4 3-9 11111112 12222212 337-350      
20191019 66.0 0 0 0 4.3 4 3-6 11111221 10212221 341-355      

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]