INFORMATIVE TEXT

Air pollution

Air pollution is a mixture of solid particles and gases in the air. Emissions from automobiles, chemicals from factories, dust, pollen and mold spores may be suspended as particles. Ozone, a gas, is a fundamental component of air pollution in cities. When ozone air pollution is also called smog.
Some air pollutants are toxic. Inhalation can increase the chances of having health problems. People with heart or lung, older adults and children are at greater risk of problems from air pollution. Air pollution does not occur only on the outside: the air inside buildings can also be polluted and affect your health.