Sound policymaking and investment decisions on air quality can only be made based on credible data. Clean Air Asia offers its knowledge and technology in gathering data through a set of tools developed through the years. For more information on the tools below, please send an email to

Green Trucks Toolkit

  The Green Trucks Toolkit (GTT) was developed by Clean Air Asia under the Greater Mekong Subregion (GMS) Core Environment Program Biodiversity Conservation Corridors Initiative (CEP-BCI). This toolkit is a simple, easy-to-use excel-based model with the aim of assisting truck fleet managers in estimating the baseline impacts of their fleets as well as in evaluating… . . Read More

Integrated Greenhouse Gas and Air Pollution Emissions Accounting for Companies

  The Greenhouse Gas Protocol ( is the most widely used international accounting tool for government and business leaders to understand, quantify, and manage greenhouse gas emissions. However, while the GHG Protocol includes six main GHG emissions, it does not take into consideration main air pollutants. Measuring air pollutants from energy use (particulate matter (PM),… . . Read More

Walkability Study in Asian Cities

Improving walkability and pedestrian facilities is one of the less prioritized measures for sustainable urban transport by policymakers and development organizations. Clean Air Asia with support from the Asian Development Bank and the Fredkorpset conducted walkability surveys in various Asian cities to better understand the state of walkability in Asian cities. The cities were Cebu,… . . Read More