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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
Lille 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 1.15 - - - - - 1.15
2011 0.9 0.88 1.6 - - - 1.13
2012 0.8 0.68 0.97 - - - 0.82

Lille 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 0.78 0.7 0.71 - - - 0.73
2011 0.75 0.7 1.17 - - - 0.87
2012 0.68 - - - - - 0.68

Lille Background Annual index chart

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