Search results
Air pollution is the contamination of air due to the presence of substances called pollutants in the atmosphere that are harmful to the health of humans and other living beings, or cause damage to the climate or to materials.
Air pollution kills an estimated seven million people worldwide every year. WHO data shows that 9 out of 10 people breathe air containing high levels of pollutants. WHO is working with countries to monitor air pollution and improve air quality.
Air pollution is the contamination of air by various hazardous substances that have a harmful impact on the environment. Explore its causes, types of pollutants, effects and control measures.
2 days ago · Air pollution, release into the atmosphere of various gases, finely divided solids, or finely dispersed liquid aerosols at rates that exceed the natural capacity of the environment to dissipate and dilute or absorb them. High concentrations can cause undesirable health, economic, or aesthetic effects.
Mar 6, 2024 · Air pollution consists of chemicals or particles in the air that can harm the health of humans, animals, and plants. It also damages buildings. Pollutants in the air take many forms. They can be gases, solid particles, or liquid droplets. Sources of Air Pollution. Pollution enters the Earth's atmosphere in many different ways.
Dec 19, 2022 · Air pollution is one of the greatest environmental risk to health. By reducing air pollution levels, countries can reduce the burden of disease from stroke, heart disease, lung cancer, and both chronic and acute respiratory diseases, including asthma.
Contents. Air pollution is one of the world's largest health and environmental problems. It develops in two contexts: indoor (household) air pollution and outdoor air pollution. In this topic page, we look at the aggregate picture of air pollution – both indoor and outdoor.
