Solar and geomagnetic data

Date Solar flux density
2.8 GHz		 Sunspot number Planetary A index
(3)		 K indices
(3-hour intervals) (3)		 Solar wind
speed range
(km/s)
(SOHO)(2)		 Number
of flares
DRAO (4) Almaty (1)
(averages)		 STAR
(SDO)		 NOAA STAR
ap avg		 Pots-
dam
WDC		 Daily
ap range		 Planetary
(WDC)		 Boulder Andenes
(Tromsų)		 C M X
Measured
(20h UT)		 (02-11 UT) 2K 1K
  1AU
20231031 147.3 147.1 144.9 213 168 116 7.3 7 4-12 22223112 22233222 43233234 441-535 13    
20231030 139.7 147.1 145.0 202 116 62 11.8 12 4-27 42133122 31044322 54224233 505-622 11    
20231029 135.2 126.5 124.9 189 120 61 26.3 26 18-39 54444433 44344433 55454445 571-701 8    
20231028 128.0 126.1 124.5 222 119 70 16.8 17 3-27 13344334 03344423 32244445 368-598 5    
20231027 127.5     162 107 66 10.5 10 4-27 34321221 23232211 54332232 340-486 4    
20231026 126.9 124.4 123.0 166 108 57 21.0 21 9-39 23244345 23244444 43134466 344-555 13 1  
20231025 125.8 120.7 119.3 155 100 26 2.8 3 0-6 10001112 10001212 00000224 300-356 10    
20231024 121.1 120.9 119.6 82 68 34 2.8 3 0-4 00111111 10011211 00000021 328-388 4    
20231023 122.1     130 64 25 1.4 1 0-3 00001000 10002211 00000000 345-382 2    
20231022 118.8 120.3 119.1 160 85 48 7.0 7 5-15 21221232 21321231 43122353 306-375      
20231021 122.6 125.2 124.1 154 116 65 20.9 21 3-48 45533311 33553311 55533443 309-369 2    
20231020 125.7 122.6 121.6 142 86 56 6.5 6 4-12 11222123 12233222 22123345 328-413 5    
20231019 128.7 134.6 133.6 196 135 39 8.0 8 3-18 23122221 23232221 44223443 323-451 10    
20231018 135.3 134.0 133.0 154 113 54 8.4 8 0-15 02133322 02223322 10013455 323-451 2    
20231017 137.3 142.7 141.8 181 120 57 1.4 1 0-3 00000001 00002211 00000003 301-350 7    
20231016 144.0 142.9 142.1 213 141 92 2.0 2 0-7 20001000 20101100 40002000 330-413 10    
20231015 144.6 146.7 145.9 233 155 92 2.4 2 0-6 00000112 00101211 00000013 399-493 5    
20231014 148.2     200 148 100 5.3 5 2-12 11121031 11132231 22111043 486-564 4    
20231013 149.0 156.9 156.2 217 144 91 12.5 12 2-22 03333432 22323532 02312433 342-531 14    
20231012 157.1 156.2 155.6 255 163 126 1.6 2 0-3 10000011 10001311 20000000 321-365 21 1  
20231011 158.0 162.1 161.6 261 185 149 2.5 2 0-4 00111001 01112211 00011103 300-350 16    
20231010 164.4 165.3 164.8 300 198 120 3.0 3 0-6 12110100 12122320 11010100 307-378 18 2  
20231009 165.5 157.1 156.8 305 206 129 7.4 7 5-15 22112231 12223322 43113441 326-378 25    
20231008 157.1 155.7 155.5 298 201 149 5.8 6 3-9 22211112 12322323 44121122 303-358 15    
20231007 157.2 154.2 154.0 292 203 145 3.9 4 2-6 11100121 12101112 11010024 310-453 13 1  
20231006 155.3 153.5 153.4 320 206 138 7.0 7 3-15 22211113 22312213 44122222 383-504 18    
20231005 156.1 154.3 154.3 306 197 179 14.6 15 3-48 45232112 35333123 56233124 409-520 12    
20231004 155.0 156.2 156.4 236 167 151 9.6 10 5-18 32322123 22332322 53233235 349-450 13    
20231003 153.7 158.6 158.9 321 204 150 6.0 6 3-9 12112222 12213321 10014455 335-410 23    
20231002 157.4 160.5 160.8 300 188 146 7.4 7 4-15 33112112 23132322 52113235 357-401 18 1  
20231001 161.1 161.4 161.8 265 176 136 7.5 8 3-22 42212122 32213222 43122234 382-425 25 2  
Average 142.8 144.1 143.3 220.3 145.4 94.5 8.16 8.16
International sunspot number (SILSO-WDC): 99.4
K factor       0.45 0.68 1.05  

1) Data obtained courtesy of the Institute of Ionosphere, Kazakhstan
 2) Solar wind speed is preliminary (* on days with no or too few measurements from SOHO-CELIAS/MTOF PM, measurements from DSCOVR or ACE are used)
3) Ap and Kp values in red are based on the definitive Potsdam WDC data.
4) Flare enhanced measurements and measurements that most likely are invalid are replaced by other same day measurements ## (daily QC). Solar flux measurements that may be invalid are temporarily marked ** , while interpolated values are marked # .

This page is normally updated once a day by Jan Alvestad.

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