d_compound_aq

Last change: 2020.3

CODE DESCRIPTION FROM_YEAR TO_YEAR
NH3 NH3-N (element-based) in µg/m³ 1984 2008
NH3 NH3 (molecularly based) in µg/m³ 2009  
NO2 NO2-N (element-based) in µg NO2/m³ 1984 2008
NO2 NO2 (molecularly based) in µg/m³ 2009  
O3 O3 in μg/m³ 2016  
O3 O3 in pbb 1984 2015
SO2 SO2-S (element-based) in µg/m³ 1984 2008
SO2 SO2 (molecularly based) in µg/m³ 2009