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
Rennes 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
2007 1.15 0.68 0.77 - - - 0.87
2008 1.18 0.45 0.51 - - - 0.71
2009 1.1 0.58 0.58 - - - 0.75
2010 1.18 0.55 0.55 - - - 0.76
2011 1.08 0.58 0.58 - - - 0.74
2012 0.93 0.63 0.63 - - 0.2 0.73

Rennes 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
2006 0.53 0.4 0.46 0.76 0.1 - 0.54
2007 0.6 0.53 0.4 0.32 0.05 - 0.46
2008 0.48 0.48 0.54 0.2 0.05 0 0.42
2009 0.48 0.58 0.58 - - - 0.54
2010 0.53 0.6 0.6 - - - 0.58
2011 0.48 0.53 0.53 - - - 0.51
2012 0.48 0.5 0.5 - 0.1 0 0.49

Rennes Background Annual index chart

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