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 2004-05-06
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
AAE2758224831241915122775443515107161415
ABG57101510141767891851010979911813811
ABK337834212948252433285954413220581126407747223223151
AIA512851091014135117788786117892317
AMS248495175356743223371461036
API3109111445554671121413345554
AQU468284843131164655331398211817
ARS
ASC39624638255533751110114491716
ASP39471861439447933523453955
BDV458394107581110798644151010231618
BEL558412613981013151315101257201211251417
BFE6710588141111101821181713171011251814281318
BFO
BLC29393932264937136713360622893691223547595612114912167
BMT131081372314784710655334108381112
BNG48724167206
BOU815116105251277134671013261212131779
BOX578610141816161835261917112069201315181014
BRW756463751271379713515053149302235973759989522921213212771117
BSL81286107147105103263125317912779
CBB23603827372758347753732334508797458018915418211714871
CLF5711365104556848754417109242221
CMO546533437854142884610267941663813481638503955403152
CNB8101151011124954915327234648149
CSY
CTA81210819710294491332613446864
CZT577485965561056232313137232715
DLR711968619795104537935141297612
DOU681246810677101271010667171311262321
DRV84797133782219524233141831131415613142853552938
EBR510123161711714131196121011108201910232221
ESK9915671113911111319141819181414272316373023
EUA
EYR310151188125107101523535226646189
FCC32676423269160140111124821198681603541152329401021166850
FRD8117798111410572684158419151410109
FRN613125117231265136737112512781347
FUR56938410657119597644161010231818
GCK
GDH1346539525293128657613674578143714312811753397036264
GNA31334861467446633423573599
GUA13118918694434893242262661116
GUI4910345866109334549131866152018
GZH351613127136735107432238735105
HAD691346695757127101171010191411282524
HBK698361174949163367241495172215
HER711938766634137398331264142214
HLP5698111014111013191916171215810211615251317
HON3945755533661022551854927
HRB4583104965111311597744151010231617
HRN3639858481163985514177169801027123672629649845493821
HUA475597115538536414719930743827102016
HYB
IPM
IQA31178111892972387811110817210866904155451412991561264323379
IRT16128673019191510141698893716105111411
IZN
KAK458988118834763321254451813
KDU575819812474489224234521146
KMH
KNY4459810108835864421265431814
KOU35534436378316743712207741213
LER910657810109111321192117191317252712291820
LRM2125412715565576335325936715
LVV4494125137610121310127867141214221317
LYC
LZH13134862096646127553231093769
MAB
MAW
MBO471033531210171110277710121667111916
MCQ1219221320263129221224179725147114141322182223
MEA27422011361835392524251612131816914381131423525
MGD
MID
MMB451413121620711578655423766101814
NAQ361531103287479765903245281227212822429754396420291
NCK45838495491210486634141010211616
NEW1629178261432141012194761210512251220232016
NGK5694951288813151213111188201412271719
NUR5106591416141515302525201523811231313171316
NVS910128112013191314161681058431411571111
OTT10149711924237712781210171315191823191712
PAF8777139128911141545333317231419718
PAG
PEG
PHU471413141015773712754224894678
PPT666284863275821534535487
PST
QSB4684115111113237134913543171211221617
RES524231215718564040416346446289202123163626411915710893
SBA342723243739533032213632351629412131472037545247
SFS
SHU
SIT22312014341835141410165125107101320914181724
SJG3433444652427769271766398
SOD1832191419421922292553493727204910212064309617984
SPT5912355116481037676781698212321
STJ614154992114510144136771817241416181412
SUA3586104965161411483756171111191415
TAM489358517141369471271081688172118
TAN4641061374149141224341412105141510
TDC
THL415125224519293354599854678029555768725062484954
THY469395965111312597744151111231717
TRW466395889669753423127751414
TSU610103612657610162537241596162218
TUC5111158522108612673611341311118712
UPS59557101310121221212219152091219161219711
VAL6913456948581079961111161610262423
VIC142615724172914891771069871019816211514
VSS47636558555971149109198561615
WNG7695981399101419151513141110241913321819
YKC3362692947293442321272872100325923651733644855849747