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
Cholet 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

Cholet 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 0.48 0.43 0.14 0.36 - 0.18 0.35
2009 0.43 0.58 0.46 0.4 - - 0.46
2010 0.45 0.53 0.09 1.04 - - 0.53
2011 0.38 0.48 0.26 0.76 - - 0.47
2012 0.38 0.48 0.23 0.48 - - 0.39
2013 0.33 0.5 0.26 1.16 - - 0.56
2014 0.3 0.45 0.14 0.4 - - 0.32
2015 0.27 0.42 0.06 0.44 - - 0.3
2016 0.3 0.43 0.06 0.24 - - 0.26

Cholet Background Annual index chart

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