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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
Orléans 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
2006 1 0.53 0.14 - - 0.4 0.56
2007 0.98 0.68 0.63 - - 0.2 0.76
2008 0.95 - - - - 0.2 0.95

Orléans 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
2006 0.45 0.38 0.06 1.64 0.05 - 0.63
2007 0.48 0.63 0.63 0.84 0.05 - 0.64
2008 0.43 0.63 0.31 0.72 0.05 - 0.52

Orléans Background Annual index chart

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