Vertical greenery systems (VGSs) can assist in abating urban air pollution.
Plants with an air pollution tolerance index (APTI) of 17 or more can be effective in VSGs.
Suitable plants for VSGs include Ipomoea plamata, Antigon leptopus and Thunbergia grandiflora.
Adenocalymma comosum forms a thick vertical screen with beautiful flowers.