Geomagnetic Activity Map - Hourly Ranges

Note: Empty cells of observatories (indicated in the leftmost column by their IAGA codes) indicate that there was insufficient data to calculate a hourly range.

Hourly range (nT) for 2004-04-23
IAGA 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
AAA
AAE1112545771234522211221222
ABG645174
ABK1591719161910111534361585144552102651611131311876786
AIA246965431912121014955754549143
AMS13255569588514129914363714153
API
AQU111222271251231361031111122
ARS
ASC111211112341242121211111
ASP6611334563211363111111323
BDV111212387101041919711104114321
BEL2333333717102719226131793231244
BFE246654251910552627131919168272978
BFO
BLC163521501012210617170194195538234225219617443554018910812174
BMT133644242121223101111341
BNG11123939141253883262121122
BOU4333163114975973444228764
BOX132422775641431266173915551229715
BRW10152021245320865128783719918913555179160455328655231
BSL3345532171161526448665773153
CBB2232393816354021110868526923276060280112154138139108162130
CLF111121218512121018101263111231
CMO8202732294860181523466541320244372291139132192641353929
CNB432652446784141441726438122
CSY
CTA798325432430133111111338
CZT32445764784712589133331616129
DLR143445236729113212334573105
DOU12444434681491222713852361052
DRV62116178249985440254836263023818183329633433854709769
EBR4445794617553141613142176591097
ESK11233313397611191891211832484
EUA
EYR2448432312246813712557484644
FCC122040891242301085029541127352243535466974335383130563035
FRD1212252221145252252559744
FRN6823122027136433236343911
FUR1111111691083171971184112221
GCK
GDH502323223530241588967122152321113401205216184965435617074
GNA56142119101182218546029131233888616208
GUA574544344210242211102246
GUI122322213473754752242722
GZH51110563872323225121101221
HAD112323236411175211612334351073
HBK243458511568481010575434444
HER3484810456121217353113912143369611
HLP23343435169613242561820144331658
HON224331764716444
HRB1112225977771516610114112411
HRN274964813110440991541891779129137787316594274047252179101
HUA1233331242248636105423413
HYB
IPM
IQA15491632342527645618319911419311436117962938365176354827
IRT6129221126744495521310824
IZN
KAK85107103571212135101313533225579
KDU10183352333672587221122273
KMH
KNY98741088415714671011423112239
KOU014157527835
LER33777735121674203731204835169715166
LRM792227451099281451930191115345551411
LVV3465776915969121791311114561684
LYC
LZH363423334932234232111233
MAB
MAW
MBO2213126910627145123113223622
MCQ61614292424211015810810043208187192205582526720264418
MEA6171620107042134133121881923811710552792091115113029
MGD
MID
MMB2135314244118742221124105
NAQ33621297711964365084651033221838050796042332512747203
NCK111211377787131551083113322
NEW
NGK124315277171052523813239338943
NUR134336510968153634124979255820391023
NVS23676111091494722998484551559
OTT32493109510322047665117661615139
PAF1244443436451643112829281591827511
PAG
PEG
PHU911881276441032567354233532
PPT4283461210734444161035131454
PST
QSB111424813563710934102212333
RES405224213418151146353660894838441211731879963283349
SBA3831211827271218149760434314877418319404555345044
SFS
SHU
SIT217141591475489574132327810541983913811141511
SJG121213314354626313452264
SOD971111111261093023129267471131033910261579512454
SPT0111112126653124333111431
STJ6993016169111526622193117181925131224211815
SUA
TAM111213476241423344121111
TAN
TDC
THL1829331922181952644420128167205060164601315726422818
THY1112113778661514610103113211
TRW122223114311423822544423
TSU1211431441645478763111324
TUC541111111413223766232383
UPS232316186861231408406426761527817
VAL24794735511724108286125431224125
VIC4131063633143524104128141210128864133
VSS1323332174211585847394625
WNG2234232314142221261178117152155
YKC1315166361143914333446115637326619667460400115313040633226