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 2004-05-09
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
AAE327134109134494332243222231
ABG88612191511631712631322211111
ABK65381526283112713121191813562996769821
AIA5711192121187522541741443333232
AMS1085896465143354594222222
API111011000000010000111111
AQU87526125261414126928123122444
ARS
ASC3321444416158421514434221121
ASP381871374962285102410121121212
BDV11106441353614121461136154232555
BEL13125561556111617941368165332566
BFE16149761746911101451345195342778
BFO
BLC8058753163240483117121713417148323422461815353230
BMT121221111111010000000111
BNG000021111101000000000000
BOU3381561611104449917992417513675
BOX19164613163917221257101212168433457
BRW72425161122965230132062319237208147433620262323394659
BSL10461327611345411131011113246543
CBB325366592529381810121946455841377754394436703349
CLF109866134331016119535133432656
CMO2424184715173038771337316017131310201414182023
CNB713137137113222146213614322411105
CSY
CTA7181521631172218311249211212138
CZT14139661774894431164115221133
DLR4144374633341178132013326863
DOU12109671433411141310826153332666
DRV104905932485413917121047235819175217789202858
EBR111112111221120121110111
ESK111313810164337121115655153632679
EUA
EYR1310413577832385163573499637
FCC1837683036470624693101731682121211921115111312
FRD1056203761046837169995227643
FRN75511283533364177517151421336
FUR10107451252515121481037143222555
GCK
GDH924016646150342928233234591204041363444388292125
GNA13891122923963891736173332226
GUA9962111561321112112214931512
GUI3425354343131915343128622333
GZH111111111100000000000111
HAD9997813223714915544123421556
HBK36547511135358756552211112
HER34546461153515742452111113
HLP12156681665111619761558164343568
HON742632321213331511511141514912
HRB101054414551012161351347144222455
HRN76596634149108631830203335633249418627202127162936
HUA1214545225666134463592132
HYB
IPM
IQA134563310145753417211225375712136546122312813252729
IRT514718132245113109694475412576
IZN
KAK221011110001000000001111
KDU66151011934632537236111121214
KMH
KNY222112111000000000001111
KOU131324226946511161625569311
LER13171571016435691313654206532779
LRM1410911249326645685461221237
LVV101144714771315205412711136533535
LYC
LZH213132018103679107363333312289
MAB
MAW
MBO33242522961411913112136222321
MCQ131212202517111144113451781911109867954
MEA1231177142028276442413538121991866648
MGD
MID
MMB222011111001010010001112
NAQ583610481806744121011102616291017131314879914
NCK895331344811131251237124222455
NEW3373471391354313732581891644444
NGK12127451454813111561336165232667
NUR182157141976111716571267208342569
NVS810101020118794812964854544466
OTT141093851281567969191110107268753
PAF231765181535425651266205211356
PAG
PEG
PHU101815207431010116221121221121510
PPT9278232211123211357822814
PST
QSB6448410417181675456854312232
RES63434120262744161114185628594883124101739516353359
SBA672826713927223623161317404233422324231715301826
SFS
SHU
SIT7274571024256239103488129221011676
SJG232712244910441281383675211
SOD243081224239514151481314552895535714
SPT6645511232111491032393421433
STJ127715127671295129241315871277332
SUA883451238132116241051294221344
TAM44254181018201643123242221632
TAN455971816281297366242111111
TDC
THL794219374534542121151337419575809834522016311941
THY995441455913151361348134222445
TRW33568982232251351356362121
TSU333421071482612744552111112
TUC52473855334681610112317822564
UPS16206710196691315771424196332569
VAL9887111043269917352133722556
VIC2483161061143311530461382155514
VSS2413884269911554353532121
WNG13141065164361191681126164232668
YKC6650309041671551543915116311117943172720251515201825