Monthly and annual average concentrations and supplementary air quality characteristics
Sh-BZN-benzene
Sh-EBZN-ethylbenzene
Sh-MXY-m-xylene
Sh-OXY-o-xylene
Sh-PXY-p-xylene
Sh-TLN-toluene
Sh-BZN-benzene Sh-EBZN-ethylbenzene Sh-MXY-m-xylene Sh-OXY-o-xylene Sh-PXY-p-xylene Sh-TLN-toluene