This is because the laboratory is also able to record quantities such as the number and exact size of ultrafine particles in the air (< 100 nm). The equipment in the mobile laboratory also makes it ...

We focused on this station because our previous study found it to have the highest levels of particulate matter ... We also ...

Black carbon, which is commonly called soot, is a major component of fine particulate air pollution ... We also found that levels of ultrafine particles, or UFP, were about 1.7 times higher ...