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 ...

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.

Mumbai's AQI was 141, with Malad hitting 213. PM2.5 was the main pollutant; bakeries must switch to green energy in six months.

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 ...

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 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 ...