Extended Data Fig. 1: Continuous PM monitoring stations in India. | Nature Sustainability

Extended Data Fig. 1: Continuous PM monitoring stations in India.

From: Recent PM2.5 air quality improvements in India benefited from meteorological variation

Extended Data Fig. 1

(a) Location of continuous PM monitoring stations from CAAQM (black) and the US AirNow (green) networks; (b) Comparison of daily mean PM2.5 concentrations measured during 2017–2022 at five US AirNow monitoring sites and all CAAQM sites located within 5 km radius of the US AirNow sites. The correlation r2, normalized mean bias (NMB) and number (N) of PM2.5 measurements are shown.

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