Past Nitrogen Oxide 1984-1987

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Past Nitrogen Oxide 1984-1987

Results

Past Nitrogen dioxide records 1984 to 19897

Air Quality Objective: 200ug/m3 (105ppb) or less, when expressed as an hourly mean (not to be exceded more than 18 times a year), and 40ug/m3 (21ppb) or less when expressed as an annual mean. These objectives are to be achieved by Dec 31 2005.

YEAR LOCATION OF MONITORING SITE CLASSIFICATION OF SITE ANNUAL MEAN CONCENTRATION
1984/5 RIVERSIDE GARDENS BACKGROUND 37ppb
STEVENDALE ROAD BACKGROUND 31ppb
HARWOOD ROAD ROADSIDE 39ppb
1986 HAMMERSMITH 6 NOT RECORDED 31ppb
NOT RECORDED ROADSIDE 53ppb
HAMMERSMITH BROADWAY ROADSIDE 49ppb
NOT RECORDED ROADSIDE 58ppb
GREAT WEST ROAD ROADSIDE 42ppb
1987 NOT RECORDED ROADSIDE 49ppb
HAMMERSMITH BROADWAY ROADSIDE 49ppb
NOT RECORDED ROADSIDE 58ppb
GREAT WEST ROAD ROADSIDE 42ppb


To view later records use these links: 1988 to 1990  1991 to 1994  1995 to 1997  1998 to 2001  2002 to 2004.


 

Page last updated: 11/05/2010