The other gasses you may have heard about are nitrogen oxides, which have the commonly used chemical symbol NOx ... Another focus has been on particulate matter, also referred to as particulates ...
If you own a diesel car, chances are it's fitted with a Diesel Particulate Filter — DPF for short. They can be a source of problems but our guide will help you avoid them. How Diesel Particulate ...
On Monday, the concentration of particulate matter hovering over the national capital was almost 40 per cent higher than on the Diwali night. Listen to Story Delhi's pollution levels spiked ...
PM2.5 refers to particulate matter with a diameter of 2.5 micrometers or less, produced by sources like vehicular and industrial emissions and natural events such as wildfires and dust storms.