Monthly ranked lists of long-period noise spectra at broadband stations


The table below links to pages displaying monthly background noise measurements for various stations. The time period for which estimates are available varies. The recent estimates are based on real-time (RT) data. With time, these are replaced by estimates based on quality-conrolled and archived (AR) data.


Vertical 201801 Horizontal 201801
Vertical 201802 Horizontal 201802
Vertical 201803 Horizontal 201803
Vertical 201804 Horizontal 201804
Vertical 201805 Horizontal 201805
Vertical 201806 Horizontal 201806
Vertical 201807 Horizontal 201807
Vertical 201808 Horizontal 201808
Vertical 201809 Horizontal 201809
Vertical 201810 Horizontal 201810
Vertical 201811 Horizontal 201811
Vertical 201812 Horizontal 201812
Vertical 201901 Horizontal 201901
Vertical 201902 Horizontal 201902
Vertical 201903 Horizontal 201903
Vertical 201904 Horizontal 201904
Vertical 201905 Horizontal 201905
Vertical 201906 Horizontal 201906
Vertical 201907 Horizontal 201907
Vertical 201908 Horizontal 201908
Vertical 201909 Horizontal 201909
Vertical 201910 Horizontal 201910
Vertical 201911 Horizontal 201911
Vertical 201912 Horizontal 201912
Vertical 202001 Horizontal 202001
Vertical 202002 Horizontal 202002
Vertical 202003 Horizontal 202003
Vertical 202004 Horizontal 202004
Vertical 202005 Horizontal 202005
Vertical 202006 Horizontal 202006
Vertical 202007 Horizontal 202007
Vertical 202008 Horizontal 202008
Vertical 202009 Horizontal 202009
Vertical 202010 Horizontal 202010
Vertical 202011 Horizontal 202011
Vertical 202012 Horizontal 202012
Vertical 202101 Horizontal 202101
Vertical 202102 Horizontal 202102
Vertical 202103 Horizontal 202103
Vertical 202104 Horizontal 202104
Vertical 202105 Horizontal 202105
Vertical 202106 Horizontal 202106
Vertical 202107 Horizontal 202107
Vertical 202108 Horizontal 202108
Vertical 202109 Horizontal 202109
Vertical 202110 Horizontal 202110
Vertical 202111 Horizontal 202111
Vertical 202112 Horizontal 202112
Vertical 202201 Horizontal 202201
Vertical 202202 Horizontal 202202
Vertical 202203 Horizontal 202203
Vertical 202204 Horizontal 202204
Vertical 202205 Horizontal 202205
Vertical 202206 Horizontal 202206
Vertical 202207 Horizontal 202207
Vertical 202208 Horizontal 202208
Vertical 202209 Horizontal 202209
Vertical 202210 Horizontal 202210
Vertical 202211 Horizontal 202211
Vertical 202212 Horizontal 202212
Vertical 202301 Horizontal 202301
Vertical 202302 Horizontal 202302
Vertical 202303 Horizontal 202303
Vertical 202304 Horizontal 202304
Vertical 202305 Horizontal 202305
Vertical 202306 Horizontal 202306
Vertical 202307 Horizontal 202307
Vertical 202308 Horizontal 202308
Vertical 202309 Horizontal 202309
Vertical 202310 Horizontal 202310
Vertical 202311 Horizontal 202311
Vertical 202312 Horizontal 202312
Vertical 202401 Horizontal 202401
Vertical 202402 Horizontal 202402
Vertical 202403 Horizontal 202403