Solar and geomagnetic data (last month)

Date Measured
Solar flux
Sunspot number Planetary A index K indices (3-hour intervals) Min-max solar wind speed (km/sec) Number of flares (events)
STAR NOAA STAR NOAA Daily low - high Planetary Boulder C M X
20100308 76.3 0 0 3.4 3 0-5 11100111 02211211 295-351      
20100307 76.6 12 0 4.3 4 0-12 23200001 22300000 346-424      
20100306 78.3 22 0 3.3 3 0-9 20001111 20101102 321-377      
20100305 79.5 0 35 2.5 2 0-5 00111101 00222211 350-404      
20100304 81.3 38 40 6.3 6 0-15 23202111 13202201 334-441 1    
20100303 80.4 37 39 5.9 6 0-9 12022222 22122322 355-421      
20100302 79.4 37 39 4.1 4 0-7 00022212 10022212 339-386      
20100301 79.3 37 36 5.3 5 3-7 11112212 22112321 297-379      
20100228 78.1 11 13 2.3 2 0-4 00101101 02011211 285-335      
20100227 78.6 11 26 1.8 2 0-4 00000111 10001100 285-314      
20100226 80.5 23 26 1.9 2 0-5 10000001 20000010 296-373      
20100225 82.7 28 30 2.1 2 0-7 10000012 10110112 314-384      
20100224 82.6 31 40 3.0 3 0-12 13000101 13011100 307-353      
20100223 84.2 42 31 1.8 2 0-6 21000010 22110210 298-358      
20100222 83.7 15 14 4.1 4 0-6 11011112 11121211 314-369      
20100221 83.5 14 17 1.3 1 0-3 00011001 00011201 348-398      
20100220 83.8 17 19 1.0 1 0-4 00000001 10011111 347-472      
20100219 83.7 18 23 3.4 3 0-7 10001112 11112222 386-538      
20100218 85.0 21 17 3.5 4 0-7 00002221 00012330 337-436      
20100217 86.9 20 49 3.8 4 0-9 22000002 32100113 303-358      
20100216 86.8 40 28 9.4 9 2-22 42330103 42440213 287-343      
20100215 87.6 26 27 13.5 14 5-27 23121244 34331243 282-344 1    
20100214 89.4 28 28 3.9 4 0-12 00111003 00222012 276-330 1    
20100213 94.1 41 37 3.3 3 0-6 11000212 11101311 284-347 4    
20100212 95.5 50 38 5.5 6 2-15 13211211 23311211 301-379 3 2  
20100211 94.2 47 64 5.3 5 3-6 22212211 22311211 348-376 1    
20100210 91.3 49 55 3.3 3 3-4 11111111 11120111 280-326 3    
20100209 91.4 61 65 3.1 3 2-6 10101201 01110111 279-360 3    

This page is normally updated once a day by Jan Alvestad. All values are preliminary.

[Solar Terrestrial Activity Report]