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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
Brno 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 1.03 - 0.4 0.16 0.3 - 0.71
2008 0.88 0.85 2.09 0 0.25 - 1.27
2009 0.88 0.85 1.94 0.12 0.3 - 1.22

Brno 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
2007 0.5 0.68 1.14 1.56 0.2 - 0.97
2008 0.48 0.63 0.71 0.8 0.2 - 0.65
2009 0.48 0.68 0.86 1.24 0.15 - 0.81

Brno Background Annual index chart

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