PM2.5 Exposure

Even the least-exposed quartile in the study exceeded the WHO interim PM2.5 target. Urban areas had somewhat higher mean PM2.5 exposure than rural areas, but the difference was modest.

1 sources - 4 claims

Even the least-exposed quartile in the study exceeded the WHO interim PM2.5 target. Urban areas had somewhat higher mean PM2.5 exposure than rural areas, but the difference was modest.