Atmospheric pollutant emissions from industry and traffic are causing pressing air quality and climate issues in urban areas. This study aims to estimate the emissions from road transport and small industry in Kuala Lumpur, and to review the spatial distribution of the estimated emissions. The emission data for 2015 from small industries and road traffic for PM₁₀, PM_2.5, SO₂, NO₂ and NO_x was collated, processed and then aggregated at a 1 km² resolution using the Geographic Information System (GIS) and emissions inventory database software tools: ArcGIS and the Emission Inventory Toolkit (EMIT) respectively. The results from this study show that the total emissions for PM₁₀, PM_2.5, SO₂, NO₂ and NO_x are 8234.4, 3991.7, 2589.3, 5168.8, and 56927 t/y respectively, where close to 99% of the total estimated emissions originated from road traffic sources. On average, Kuala Lumpur population emit 4.55, 2.21, 1.43, 2.86 and 31.5 kg/y/person of PM₁₀, PM_2.5, SO₂, NO₂ and NO_x respectively which are in range with per capita emission of pollutants in other cities in the world such as Kolkata and Ho Chi Minh City. The spatial resolution of estimated emissions are mainly concentrated in the central grid cells of Kuala Lumpur and in good agreement with road pollution sources. The results show that the majority of the emissions arise from road sources, mainly because emission from other source types have been neglected and data is unavailable.

来自工业和交通的大气污染物排放正在引起城市地区紧迫的空气质量和气候问题。本研究旨在估算吉隆坡道路运输和小型工业的排放量，并评估估算排放量的空间分布。使用地理信息系统（GIS）和排放清单，整理，处理然后以1 km ^2的分辨率对小行业和道路交通中的PM ₁₀，PM _2.5，SO ₂，NO ₂和NO _x的2015年排放数据进行汇总，处理数据库软件工具：分别是ArcGIS和排放清单工具包（EMIT）。这项研究的结果表明，PM的总排放量_{如图10所示}，PM _2.5，SO ₂，NO ₂和NO _x分别为8234.4、3991.7、2589.3、5168.8和56927 t / y，其中估计总排放量的近99％来自道路交通。吉隆坡人口平均每人每年排放4.55、2.21、1.43、2.86和31.5公斤/年的PM ₁₀，PM _2.5，SO ₂，NO ₂和NO _x它们分别在世界其他城市（如加尔各答和胡志明市）的人均污染物排放量范围内。估计排放量的空间分辨率主要集中在吉隆坡的中央网格单元中，与道路污染源高度吻合。结果表明，大部分排放源来自公路，主要是因为其他来源的排放已被忽略并且数据不可用。