CO2

methane (CH4)

ethane

sulphur oxides n nitrogen oxide...

CFCs

water vapours

chlorates n carbonates (gaseous)

SPM (Suspended Particulate Material)

carbon monoxide,

n other non metallic oxides wud b some examples of the gases present in the air of an industrial area....

who wud know better than me...

i myself live in an industrial area (SIDCUL)..

all these gases r potentia; damagers of atmosphere n health n therefore their emmision needa b checked...

okay have a gud nite.......

byeeee...!!!!!!

 very nice answer ..............

thnx and thumzz up to you .............

thnxxxx...!!!!!