Air pollution - Wikipedia, the free encyclopedia An air pollutant is a substance in the air that can have adverse effects on humans and the ecosystem. The substance can be solid particles, liquid droplets, or gases. A pollutant can be of natural origin or man-made. Pollutants are classified as primary o
Air pollution - Wikipedia, the free encyclopedia There are various air pollution control technologies and land use planning ... ships, farm equipment, and small gas-powered equipment such as lawn trimmers , ...
Air Pollution Index - Wikipedia, the free encyclopedia The Air Pollution Index (API) is a simple and generalized way to describe the air quality, which is used in Malaysia. It is calculated from several sets of air pollution data. It was formerly used in mainland China and Hong Kong. In mainland China the API
Air pollution in Hong Kong - Wikipedia, the free encyclopedia Air pollution in Hong Kong is considered a serious problem. Visibility is less than eight kilometres for 30% of the year. Cases of asthma and bronchial infections ...
Air quality index - Wikipedia, the free encyclopedia An air quality index (AQI) is a number used by government agencies to .... The final API value is calculated per hour according to a formula published by the MEP ...
Air Quality Health Index - Wikipedia, the free encyclopedia [edit]. Alberta has modified AQHI reporting to better suit the needs of the Province . Because of ...
Pollution de l'air — Wikipédia La pollution de l’air (ou « pollution atmosphérique ») est un type de pollution caractérisé par une altération des niveaux de qualité et de pureté de l’air. Cette dégradation est généralement causée par un ou plusieurs éléments tels que des matières parti
Pollution — Wikipédia La pollution de l'air, provoquée par des polluants dits atmosphériques est plus délicate à réglementer efficacement dans un cadre local ou national que beaucoup d'autres formes de pollutions (de même pour les pollutions marines). Des conventions mondiales
Air Pollution Index - Wikipedia, the free encyclopedia The Air Pollution Index (API) is a simple and generalized way to describe the air quality, which is used in Malaysia. It is calculated from several sets of air ...
Pollutant Standards Index - Wikipedia, the free encyclopedia The Pollutant Standards Index, or PSI, is a type of air quality index, which is a number used to provide the public with an easily understandable indicator of how ...
