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 2004-05-01
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
AAE5102014020563922213117141061483111047520
ABG9111514961091391661058129514126774
ABK101237173245974531174127252241673674293913542556448266
AIA6919128152418201256613105564634326
AMS591918212111181291666298219843425
API78281163635814553348467114620
AQU5102282378666811667679837321
ARS
ASC65157436812849846121482227426
ASP3143145564111771185781338444318
BDV71226753761288591189712111238217
BEL71436996981591010131512141113131969413
BFE11234397812818101113172215191719172061149
BFO
BLC149318814239171624291003868565563123154426146634210356
BMT51922122018168206910136811111010745918
BNG55238361516171286914911746837427
BOU416291213614710135639131671113769411
BOX524331016985251222252821212113232889812
BRW3422816917910862968672150255307698711910412992636081343238
BSL41418108101171011568108753555834
CBB65779290611618183919273045327012934969111106133768159
CLF6121973694949481077598638424
CMO172241178410016910187104110232150434322717122141523202020
CNB4173353111251122131095871033544723
CSY
CTA219398337581710985681137573218
CZT41016735814107610972864171344528
DLR6132298912691266456685444824
DOU716206471161071051012111081211838524
DRV171341075723361925251935222021189119133120311751
EBR592010481010141081813189211110101457427
ESK112222124915914111281122162016211613410921
EUA
EYR610311111111061215282096747537412718
FCC321164051028910048441922156054526226557719254624296552
FRD415131461187118221496814125781046
FRN313298109165912107647131256766311
FUR61224744871188491178611101038320
GCK
GDH165324416164615137171111978680714110510330424744434382
GNA210265445471641174681349333313
GUA131820881168797774469473810175
GUI581184610552320186510969227529
GZH611126336411457845795953424
HAD612187381059610581314127148839625
HBK5523747761151068548747734325
HER552044276105556774536534222
HLP102331697128201112111720141515171818510415
HON1172853510558136534656224577
HRB6122786387128851210610711111338218
HRN271007630419011611497906165699913181661213621417839753337
HUA518135410810699203935295351324220671112
HYB
IPM
IQA34624221301343134491971678272661005261112595145424857272
IRT
IZN
KAK310225131195115678356666247912
KDU773162368616787458113934329
KMH
KNY29224810104145779468868337917
KOU41196445644816229411811141036717
LER927273165128981491424132920231415712723
LRM31027647778216129571011311333310
LVV6142710104881410101011129131114131658515
LYC
LZH9610911571112812945613
MAB
MAW
MBO5111473547112017158141511775439628
MCQ1356325124292963178113153142292714282919131420131022
MEA10896978554145465788393714191431246101822181617
MGD
MID
MMB119191519714812771010479686359915
NAQ7330273215881546059809124194043226047336535213735475
NCK61223743871088511969610101138218
NEW63750191614201014135745122012410171210819
NGK91734765117169107121612121015141649316
NUR73235108885201511212431202624162225911814
NVS51519576158202112151411101113101976659
OTT6182212101368111045201510153018714716412
PAF1510472767107141613189105121043328881465
PAG
PEG
PHU71512745881466101056101261364533
PPT216236278367135524774556131118
PST
QSB51128124388999812891176131658523
RES21595931242423222347403881100608798114794940503774
SBA1810686642539292349453842223020595912132419172125
SFS
SHU
SIT10634414201617142316101251171812114131281015
SJG4676345445268981034655728
SOD13214815413137231815322723223856315817279032234544216
SPT51018104495646815758635427429
STJ4114522541054691119108122221813513423
SUA710251034761411991113710610101446420
TAM4112293568111251076911745638429
TAN4617537581258465397311833313
TDC
THL1679956835282618345925404787329047622342242850126
THY61425934871110861410710611111348320
TRW
TSU5624944106961247698637736331
TUC4132579815691285739884545828
UPS8293613471051389161926152320182021511511
VAL510128289591010561214137156647625
VIC5314613141417715158945715124715118716
VSS611147536841212171871012211612337527
WNG12214166713718911101419151614181719510413
YKC25202261115771265325127159397439542778105172226322539100