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 2004-04-25
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
AAE338111023492533132071992114374136794
ABG7105119108231645126785494116776
ABK302622703653504943726259544027484030309265216992
AIA565171912166432271078118977663118
AMS8351410442927179213103569594233
API346211010101783325762215244632
AQU4334816820106914765811103107687
ARS
ASC2325335815135108957167361422
ASP349191591323211693011103528232343
BDV5333111882216771261249141451296109
BEL76571423122621961672061517178171071415
BFE8679153012302410161610261222242412181061616
BFO
BLC35512458464290202364922441353791897214255108654942707131
BMT8471310141428231111267136537575332
BNG443475891835864812344114754
BOU11751911141117121013681115226914178687
BOX988101623142931321824172891820177181191411
BRW605274243711792201474522792272432224263889954935158735640
BSL6651391610171613116916641215614511127
CBB1933394511511736411811004639331115311816120175524510510598
CLF44361115721137811710491214586767
CMO453235115611411262383861681502962628366688133401921213231
CNB661217141122222112153718934372335129
CSY
CTA111332613812261813103314834273317112
CZT62413312114137131113711465741982108
DLR565168131116141311771210710161116313136
DOU54461116824138111371451414166118968
DRV1691361731115164504270362638302435816343117193737106
EBR332711219291912719128101110176165866
ESK8567172315332611201310241527253014151111811
EUA
EYR101315161018222134121239217445848910105
FCC47354863482226112109388296174189779217662855452845434266
FRD6757102271220107128174515161215812156
FRN67419910121412910855616464124654
FUR5343111872215771261149131451177108
GCK
GDH5231227680102941666052871481058912161909588573029376031
GNA31042210513101817722693427332335
GUA187826262043117462778123525681320
GUI3328536816511151058994933543
GZH48914116325185621582326463222
HAD5537141610231891396187141620995757
HBK74445116167117410558744114396
HER6343410715610341463763492375
HLP8566182412272412141992012181720917881513
HON486986121354321531384383251
HRB5443111992416781561349141351297119
HRN56175412075513279229259267405103855145644694277222322336
HUA344868742816714185739503124521719783
HYB
IPM
IQA17623339923716212974572219164190122943967441021274243549316
IRT886166132816309112491763385335111
IZN
KAK3271084427235826692334361263
KDU10732314108251913629982427241323
KMH
KNY435101165282558266103334361355
KOU233369342016511172086121016104542
LER856151626123523171491025102929301215148611
LRM677151265191919921894539352327
LVV6566131710251978167166101516514991210
LYC
LZH64717910162220128236134439586352
MAB
MAW
MBO32264381121101315896141251033733
MCQ991956344072644165912024716624103615171812591910
MEA3221173239584911711611810523162510331915112020172122
MGD
MID
MMB3471399102725101230111154445734107
NAQ50646229911120434531026421813346273832784360564744214759
NCK534310178211458136114812124118698
NEW
NGK74461425112720781572071518188151171414
NUR9781315271234303018201928102325198191071612
NVS43522108151522211421121866710658647
OTT9106171919111533121317615761923142011161411
PAF113418128635352618205116991671612465
PAG
PEG
PHU71012191484332397236103439684443
PPT6341488109363175533287137579
PST
QSB45541213142391151567129713415109118
RES342530756135855310964816868794960130184161131202463299
SBA6634325266409738107683057411613521444733541172748
SFS
SHU
SIT251112342530173281493120261681214171351081213
SJG33245847161066774466568932
SOD221617462735394237615431463420383216185840133650
SPT3338911816111461012578810474755
STJ4741914321362414112991351317271410612116
SUA691651061071251368129
TAM333576131020512856101386484754
TAN
TDC
THL39282781256410040102824465399988126183204935446332243
THY5453111992415691561169131351297109
TRW434610108728225489111158455364
TSU4455114141115957686934123575
TUC5641881211151312117691114413131649106
UPS85711132473324201814152382223218201161514
VAL4439131282119816107169141521884756
VIC191192715201482515108911618913513106910
VSS232677542414488163101491032333
WNG
YKC591941761533267717540327218955908560885063383336404549