About P.E.Q.I.

The Pedestrian Environmental Quality Index (PEQI) was developed in 2008 by the San Francisco Department of Public Health (SFDPH) to assess the quality and safety of the physical pedestrian environment and inform pedestrian planning needs. It evaluates the pedestrian environment in five categories (intersection safety, traffic, street design, land use and perceptions of safety and walkability). In 2009, UCLA Center for Occupational and Environmental Health (COEH) was introduced to the PEQI. But, because the urban fabric of San Francisco differs from Los Angeles, UCLA COEH needed to adapt the PEQI to better reflect local Los Angeles pedestrian conditions and translate it into Spanish. The PEQI was originally designed as a paper survey form, but UCLA COEH teamed up with the UCLA Center for Embedded Network Sensing (CENS) to transform the paper version of the PEQI into a mobile phone application for Android smartphones.

The mobile phone application offers advantages over the paper version such as ease of use without having to print and prepare the paper forms and automatic calculation and mapping of the PEQI scores through our mobile website. However, you must use and Android brand smartphone. To use the Android smartphone application create a log in above and follow the instructions.

To date, UCLA COEH has implemented the paper-version of the PEQI with four Los Angeles community groups. Two of these groups have already lobbied for and received the safety improvements they sought; the other two groups are in the process of creating their advocacy campaigns using the findings from their PEQI data.

The paper version of the PEQI works well for groups without Android smartphones and those who are not comfortable using computers. Download the paper version materials here.

Information about the original PEQI, created by SFDPH, can be found here.


  • The San Francisco Department of Public Health who originally developed the PEQI in 2008.
  • Malia Jones who adapted the San Francisco PEQI for use in Los Angeles in 2009.
  • Shilpa Vijayan of The Center for Embedded Network and Sensing who was instrumental in creating the mobile and web application.
  • The California Endowment who funded this work.
  • The community members in Palms, Carson and Boyle Heights who piloted the L.A. PEQI.
Developed by Center for Occupational and Environmental Health UCLA.