Fig. 1: Mean ± standard deviation of annual-average PM10 and PM2.5 concentrations during the study period, by prefectural city. SD, standard deviation. | npj Climate and Atmospheric Science

Fig. 1: Mean ± standard deviation of annual-average PM10 and PM2.5 concentrations during the study period, by prefectural city. SD, standard deviation.

From: Health impact assessment on life expectancy gains ascribed to particulate matter reduction

Fig. 1: Mean ± standard deviation of annual-average PM10 and PM2.5 concentrations during the study period, by prefectural city. SD, standard deviation.The alternative text for this image may have been generated using AI.

Panel (A) depicted the annual average concentrations of PM10 by city while panel (B) showed the summary statistics for PM2.5. The square dot represents data for 2000 whereas the triangle dot represents those for 2021. The length of the line shows the standard deviation of the annual average concentrations for each pollutant.

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