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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
Chamonix 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 1.23 0.53 0.2 - - - 0.65
2011 1.3 0.55 0.34 - - - 0.73
2012 1.43 0.5 0.43 - - - 0.78
2013 1.3 0.5 0.4 - - - 0.73
2014 1.23 0.38 0 - - - 0.53
2015 1.35 0.43 0.03 - - - 0.6
2016 1.18 0.4 0.11 - - - 0.56
2017 1.23 0.4 0.09 - - - 0.57
2018 1.1 0.43 0.06 - - - 0.53

Chamonix 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 0.73 0.63 0.66 0.56 - - 0.64
2011 0.75 0.63 0.91 0.2 - - 0.62
2012 0.75 0.6 1 0.16 - - 0.63
2013 0.75 0.58 0.8 0.2 - - 0.58
2014 0.68 0.5 0.37 0 - - 0.39
2015 0.75 0.55 0.29 1.04 - - 0.66
2016 0.7 0.45 0.46 0.4 - - 0.5
2017 0.63 0.43 0.2 0.68 - - 0.48
2018 0.55 0.38 0.03 1.48 - - 0.61

Chamonix Background Annual index chart

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