Continuous Air Quality Data
June 2008
ugm-3 = Microgrammes cubed
Please note that the data shown below has not yet been ratified.
Ratified data accounts for any errors/faults related to the
measuring equipment and is usually available by April of each year
for the previous year.
PM10
Annual mean is 40ugm-3 to be achieved by 2004 and 20ugm-3 by
2010
24-hr mean is 50mg-3 not to be exceeded more than 7 times per
year to be achieved by 2010.
Nitrogen Dioxide
1-hour mean is 200ugm-3 not to be exceeded more than 18 times
per year to be achieved by 2005.
Annual mean is 40ugm-3 to be achieved by 2005.
Saharan dust in London and Sussex-Pollution episode
Find out more information relating to exceedances of PM10
over 23/1/08-24/01/08 due to Saharan dust from the
London Air website.
For more information on the equipment performance and annual
reports visit the Kent Air Quality
Partnership website.
This webpage was updated on 9/15/2008