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
Clermont-Ferrand 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
2010 1.08 0.6 0.37 - 0.1 0.4 0.68
2011 1.13 0.63 0.6 - 0.1 0.4 0.78
2012 1 0.55 0.4 - 0.05 0.2 0.65

Clermont-Ferrand 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
2010 0.65 0.58 0.23 1.08 - - 0.63
2011 0.68 0.55 0.43 0.72 - - 0.59
2012 0.6 0.53 0.34 0.36 - - 0.46

Clermont-Ferrand Background Annual index chart

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