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
Laval 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

Laval 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 0.45 0.2 0.36 0.05 - 0.37
2009 0.48 0.55 0.31 0.04 - - 0.34
2010 0.5 0.63 0.2 0.52 - - 0.46
2011 0.45 0.55 0.34 0.32 - - 0.42
2012 0.4 0.48 0.37 0.32 - - 0.39
2013 0.43 0.48 0.37 0.6 - - 0.47
2014 0.38 0.35 0.14 0.12 - - 0.25
2015 0.38 0.41 0.17 0.28 - - 0.31
2016 0.35 0.4 0.17 0.16 - - 0.27

Laval Background Annual index chart

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