Analysis of urban livability based on environmental indicator (Case study: Mashhad metropolis)

Goal: The main goal of this research is the analysis of urban livability based on environmental indicator in Mashhad metropolis. Research

The research method of this research is practical in terms of goal, and is descriptive – analytical in terms of methodology. The sample size used for the questionnaires was 402 persons chosen from Mashhad metropolis with the population of 2766258.

To investigate the urban livability in terms of environment, objective indicators and subjective index (questionnaire) were analyzed. Firstly, Entropy model was used to determine the weight of each index, which is as follows: Carbon monoxide = 0.0035, Particulate matter (PM2.5) = 0.5974, sulfur dioxide = 0.0122, nitrogen dioxide = 0.0019, ozone pollutant = 0.0162, air quality index (AQI) = 0.0038, per capital green space = 0.2515, noise pollution = 0.0394, the amount of household waste = 0.0534, and subjective index = 0.0029.

The zone 9 of Mashhad metropolis is the best zone in terms of environmental indicator, followed by zones 7 and 8, respectively. By contrast, zones 1, 2 and 6 had the worst conditions in terms of environmental indicator, respectively.