Updated: March, 2023
131 NCAP non-attainment cities are grouped into 104 airsheds. Of these airsheds, 73 contain only one city; 18 contain two cities, and nine contain three cities. Four airsheds – Delhi, Mumbai, Indore, and Chandigarh contain 10, 8, 5, and 5 cities respectively. An additional 33 cities, not on the NCAP list are also part of these airsheds.
The table below presents roads and road-density information for all the designated airsheds. The shapefile folder contains primary-roads (purple lines in the animation), secondary-roads, and all-roads (black lines). The CSV file contains grid-wise road density information as km/grid for primary, secondary, tertiary, non-motorized, other, and total roads. All the roads information is extracted from open street maps database. Details of the airshed grid are available here.
Download full resolution animation: here (or click on the image). Individual images can be download from the table below.
Journal Article on airshed designation process and monitoring needs (2023): here
Journal article with review of NCAP action plans (2020): here
Back to NCAP data repository.
