Defined as any substance in the air that may harm humans, animals, vegetation, and materials, air pollution poses a great danger to human health. It has turned into a worldwide problem as well as a huge environmental risk. Recent years have witnessed the increase of air pollution in many cities around the world. Similarly, it has become a big problem in Iran. Although ground-level monitoring ca...

Defined as any substance in the air that may harm humans, animals, vegetation, and materials, air pollution poses a great danger to human health. It has turned into a worldwide problem as well as a huge environmental risk. Recent years have witnessed the increase of air pollution in many cities around the world. Similarly, it has become a big problem in Iran. Although ground-level monitoring ca...

In the forty years since the passage of the original Clean Air Act, urban air quality has improved significantly in the United States. Less than a century ago, the vast quantity of coal smoke emitted by urban industries was sufficiently great to obscure the sun, often requiring street lamps in the largest industrial cities to remain lighted throughout the day. Urban residents waged a losing bat...

The health effects of air pollution include increases in Air pollution on Pdient visits in &be 1 severity and incidence of asthma. exacerbation of COPD. increase California faces both increasing air temperatures as well as air pollution. This conclusion is being drawn by many non-scientists who simply observe daily atmospheric conditions: more hot days exist in many areas of California and many...

BACKGROUND Knowledge and practice about air pollution are essential subjects in special groups such as cardio-pulmonary patients. For children with air pollution-related diseases, knowledge and attitude of parents play a determining role in this respect. Since providing a coherent curriculum needs evidence-based information, this survey was conducted to assess the knowledge and practice of asth...

The World Health Organization reports that 2 million people die each year from the effects of air pollution, twice the number of fatalities as from automobile accidents [1]. Direct causes of air pollution related deaths include aggravated asthma, bronchitis, emphysema, lung and heart diseases, and respiratory allergies. While civic agencies address large-scale environmental health problems from...

The great smog disasters of the past have made clear that air pollution can kill people in a matter of days: extremely high concentrations of air pollution building up under conditions of low wind speed and stable atmospheric conditions have been associated with excess deaths in the Meuse Valley, Belgium (1930); Donora, PA, United States (1948); and London, United Kingdom (1952). In the develop...