Imagine waking up every morning at 5:00 a.m. to the relentless roar of a motorway just metres from your window. Experiencing such high-intensity noise is not an isolated case: millions of people live exposed to environmental noise levels exceeding those recommended by...
Hydrogen sulphide (H2S), also known as hydrosulphuric acid or sewer gas, is a gas unmistakable due to its characteristic rotten egg smell, noticeable even at very low concentrations. It is present in the atmosphere both due to natural sources (volcanic activity, hot...
At first glance, the air around us may seem clean, but beware, it hides an almost imperceptible danger: ultrafine particles (UFP). With a size so small they are hard to detect, they are one of the greatest threats to public health caused by air pollution. Their origin...
Volatile Organic Compounds (VOCs) are chemical substances primarily composed of carbon and hydrogen, but they can also contain other elements such as oxygen, nitrogen, sulphur, or halogens (fluorine, chlorine, bromine). Their “superpower” is that they are...
Air quality refers to the state of the air we breathe and its composition in terms of pollutants present in the atmosphere. It is considered good when pollutant levels are low and do not pose a risk to human health, the environment, or the economy. In contrast, poor...