PM 1 are extremely fine particulates with a diameter of fewer than 1 microns. PM 2.5 (also known as fine particles) have a diameter of less than 2.5 microns. PM 10 means the particles have a diameter less than 10 microns, or 100 times smaller than a millimeter.

2020年10月9日 · Particulate matter is separated into three main groupings: coarse particles (PM10), fine particles (PM2.5), and ultrafine particles (PM0.1). These particle sizes, in general, differ in origin and health effects. Our first entry on this list is the largest particle size we will be discussing: PM10.

2020年3月17日 · Ultrafine particles (PM 0.1), which are present in the air in large numbers, pose a health risk. They generally enter the body through the lungs but translocate to essentially all organs....

2023年2月1日 · Among the harmful air pollutants, Particulate Matter (PM) is indirectly responsible for 417,000 premature deaths in Europe region due to its prolonged exposure effects (EEA, 2020). To date, PM is categorized based on its particle diameter into coarse, fine, and ultrafine.

2024年6月20日 · PM stands for particulate matter (also called particle pollution): the term for a mixture of solid particles and liquid droplets found in the air. Some particles, such as dust, dirt, soot, or smoke, are large or dark enough to be seen with the naked eye.

PM 0.1 is particulate matter with an aerodynamic diameter of up to 0.1 µm, referred to as the ultrafine particle fraction. PM 2.5 is particulate matter with an aerodynamic diameter of up to 2.5 µm, referred to as the fine particle fraction (which per definition includes the ultrafine particles).

2022年6月15日 · Ambient particles with aerodynamic diameter <0.1 μm (PM 0.1) have been suggested to have significant health impact. However, studies on the association between long-term PM 0.1 exposure and human blood lipid metabolism are still limited.

2023年2月1日 · The problem of ultrafine particles (UFPs; PM 0.1) has been prevalent since the past decades. In addition to become easily inhaled by human respiratory system due to their ultrafine diameter (<100 nm), ambient UFPs possess various physicochemical properties which make it more toxic.

2016年6月28日 · This paper synthesizes data on aerosol (particulate matter, PM) physical and chemical characteristics, which were obtained over the past decade in aerosol research and monitoring activities at ...

Particulate matter (PM) is classified based on its aerodynamic diameter and is divided into three categories: less than 0.1 µm (PM 0.1 ), less than 2.5 µm (PM 2.5 , which includes PM 0.1...