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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
Saint-Nazaire 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

Saint-Nazaire 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 0.35 0.46 0.2 0.44 0.1 - 0.36
2009 0.36 0.53 0.34 0.16 0.1 - 0.35
2010 0.38 0.65 0.29 0.52 0.15 - 0.46
2014 0.23 0.43 0.17 0.4 0.05 - 0.31
2015 0.23 0.43 0.11 0.4 0.05 - 0.29
2016 0.28 0.38 0.03 0.24 0.05 - 0.23
2017 0.25 0.43 0.14 0.24 0 - 0.26

Saint-Nazaire Background Annual index chart

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