Although an accurate evaluation of the distribution of ultrafine particulate matter in air is of utmost significance to public health, the usually used PM 2.5 index fails to provide size ...

A new study published in National Science Review examines China's trends in primary particulate matter (PM) emissions from 1960 to 2019, revealing significant transformations in PM size fractions and ...

Those groups particularly sensitive to particulate matter in the air may want to limit time outside Friday and Saturday.

A major part of hazardous pollution is particulate matter, tiny solid particles suspended in the air. Particulate pollution levels are of great interest to health authorities worldwide ...

The temperature, pressure and volume of gases are all related. Sample exam questions - particle model of matter - AQA Understanding how to approach exam questions helps to boost exam performance.

Exposure to traffic-related air pollution could harm the liver and potentially increase the likelihood of developing fatty ...

The Tokyo government’s new target for the level of airborne fine particle matter with a diameter of 2.5 micrometers or less, known as PM2.5 (particulate matter 2.5), will be set at 10 micrograms ...

The two biggest airborne health concerns are ground-level ozone and particulate matter — especially fine particles known as PM2.5, which are 2.5 micrometers in diameter or smaller, according to ...

Fine particulate matter consists of tiny solid particles or liquid droplets in the air that are 2.5 microns or less in diameter. PM 2.5 can be made of many different types of particles and often ...