Table

Noise annoyance by source. Counties. 1999 and 2014. Annoyance index SPI1
 Road traffic2Railroad trafficAir traffic
 1999320141999201419992014
1Calculated according to the national environmental target for noice annoyance.
2Calculated from 55 dB(A) upwards.
3Simplified calculation for road traffic noise in 1999.
The whole country388 800374 00033 80017 90028 90025 500
       
Østfold23 00023 0001 8006005 1002 700
Akershus52 30048 8006 8004 2002 6002 200
Oslo385 00084 70011 6007 000....
Hedmark9 8009 1001 70090000
Oppland11 20010 3001 20060000
Buskerud16 10015 1002 9001 500....
Vestfold16 70016 0001 300200900900
Telemark11 60011 200800200....
Aust-Agder7 5007 00010050....
Vest-Agder14 00013 800700400600600
Rogaland42 30041 1001 9004006 2005 200
Hordaland48 80046 9003002002 8003 000
Sogn og Fjordane5 0004 700020015
Møre og Romsdal14 30013 5000800300400
Sør-Trøndelag13 40012 6001 6004001 1001 000
Nord-Trøndelag5 2004 7006004001 4001 500
Nordland6 0005 40050005 1005 400
Troms4 0003 600001 5001 600
Finnmark2 4002 400001 3001 100