Fig. 5
From: Heatwaves amplify air pollution risks in Sub-Saharan Africa

(A) Monthly variation of ambient PM2.5 (dashed black line), O3 (dotted black line) and NO2 concentration ((Solid black line), ) and temperature (red line) from January 2021 to December 2024, (B) Monthly variation of ambient PM2.5 (dashed black line), O3 (dotted black line) and NO2 concentration ((Solid black line), ) and temperature (red line) from January 2021 to December and relative humidity (blue line) from January 2021 to December 2024; and (C) correlation analysis of air pollutants (PM10, NO2 and O3) during heatwaves identified in 2021, 2022 and 2023.