Exposure to fine particles above EC threshold values
: Nov 12, 2009
: Jan 01, 2002
: Nov 29, 2012 11:37 AM
Exceedance days are defined as days with black smoke (BS) 24-hour average concentrations above 125 ?g/m 3 ; Total Suspended Particles (TSP) 24-hour average above 120 ?g/m 3 ; PM10 24-hour average above 50 ?g/m
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Number and set of cities and measuring methods vary from year to year, and this may cause much of the inter-annual variation. The increase after 1996 is mainly due to the introduction of PM10 data into the statistics. Only for the most recent years monitoring data on fine particulates (PM10) are available to a significant extent, which are shown separately at the right-hand side of the diagram.
Fly only for distances greater than 700 km. Otherwise take the train. A transatlantic flight produces almost half as much CO2 as an average person produces over a period of one year while meeting all his or her other needs, such as lighting, heating and car travel!
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