Extended Data Fig. 9: Changes in meteorology in the winter of 2017 and 2021.
From: Recent PM2.5 air quality improvements in India benefited from meteorological variation
Differences in inversion (a,b), precipitation (c,d, contour), wind speed at 10 meters (e,f) and transect of geopotential height and vertical-meridional circulation anomalies averaged between 73E–88E (g,h) in the winter of 2017 (left) and 2021 (right) relative to 2000–2022 mean. Tracking of western disturbance with average vorticity greater than 9e−5 m/s over northern India are each shown in c,d with different colors and shapes. Black shading in g,h indicates the surface topography along the transects.
