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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
Nantes 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
2008 0.95 0.68 0.57 - - 0.24 0.73
2009 0.9 0.7 0.46 - - 0.24 0.69
2010 0.98 0.65 0.43 - - 0.2 0.68
2011 1.03 0.6 0.23 - - 0.18 0.62
2012 0.88 0.65 0.51 - - 0.18 0.68
2013 0.9 0.65 0.54 - - 0 0.7
2014 0.98 0.58 0.29 - - 0 0.61
2015 0.93 0.61 0.23 - - 0.14 0.59
2016 0.95 0.5 0.14 - - 0.2 0.53

Nantes 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
2008 0.5 0.48 0.23 0.43 0 0.16 0.41
2009 0.45 0.55 0.36 0.28 0 0.18 0.41
2010 0.5 0.55 0.17 0.92 0 0.18 0.54
2011 0.43 0.53 0.26 1 - 0.2 0.55
2012 0.45 0.53 0.31 0.4 - 0.22 0.42
2013 0.43 0.48 0.31 1.04 - - 0.56
2014 0.43 0.43 0.17 0.32 - - 0.34
2015 0.38 0.45 0.11 0.4 - - 0.34
2016 0.4 0.43 0.06 0.24 - - 0.28

Nantes Background Annual index chart

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