Figure 4

PM2.5 oxidative potential as measured by the DTT assay across intra- and post-RHD periods in 2022 and 2023. Error bars on the graphs represent the standard deviation, indicating the variability for the DTT assay in the PM2.5 samples.

PM2.5 oxidative potential as measured by the DTT assay across intra- and post-RHD periods in 2022 and 2023. Error bars on the graphs represent the standard deviation, indicating the variability for the DTT assay in the PM2.5 samples.