Legend:
Air Quality Index Value
EU Standards are
exceeded by one
pollutant or more
  > 1
EU Standards are
fulfilled on average
  1
The situation is better
than the norms requirements on average
  < 1
Valenciennes Yearly Air Quality Index

Year NO2 Year average PM10 year average PM10 exceedences daily average O3, # of days with 8-hour average >=120µg/m3 SO2 year average Benzene year average City Index
2010 0.93 0.63 0.46 - - - 0.67
2011 0.88 0.63 0.83 - - - 0.78
2012 0.85 0.7 1.29 - - - 0.95

Valenciennes Roadside Annual index chart



Year NO2 Year average PM10 year average PM10 exceedences daily average O3, # of days with 8-hour average >=120µg/m3 SO2 year average Benzene year average City Index
2010 0.68 0.63 0.6 - - - 0.63
2011 0.68 0.65 0.97 - - - 0.77
2012 0.58 - 1.03 - - - 0.8

Valenciennes Background Annual index chart

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