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The Pollutant Standards Index ( PSI) is a type of air quality index used in Singapore, which is a number used to indicate the level of pollutants in air. Initially PSI was based on five air pollutants, but since 1 April 2014 it has also included fine particulate matter (PM 2.5 ). In addition to the PSI derived by averaging data collected for ...
An air quality index (AQI) is an indicator developed by government agencies [ 1 ] to communicate to the public how polluted the air currently is or how polluted it is forecast to become. [ 2 ][ 3 ] As air pollution levels rise, so does the AQI, along with the associated public health risk. Children, the elderly and individuals with respiratory ...
Bottles of NEWater on display at a 2005 function. Singapore is a country with limited water resources, and it is essential for its water quality to be carefully regulated. Water in Singapore is polluted by unwanted materials contributed by industrial facilities, coupled by oil from both incoming and outgoing trading vessels.
Air pollution can affect nearly every organ and system of the body, negatively affecting nature and humans alike. Air pollution is a particularly big problem in emerging and developing countries, where global environmental standards often cannot be met. The data in this list refers only to outdoor air quality and not indoor air quality, which ...
A passenger has died aboard Singapore Airlines flight SQ321 after the flight from London Heathrow to Singapore encountered severe turbulence.. Along with the death, around 50 of the 211 passengers ...
The 2015 Southeast Asian haze was an air pollution crisis affecting several countries in Southeast Asia, including Brunei, Indonesia (especially its islands of Sumatra and Borneo ), Malaysia, Singapore, southern Thailand, Vietnam, Cambodia and the Philippines . The haze affected Indonesia from at least late June, [ 1] to the end of October ...
This map tracks air quality near Detroit, and zoom out to see the rest of North America. Smoke from wildfires harmed the air in 2023. Michigan air quality map: Check if it's bad today in your area
The Environmental Protection Agency breaks down the six different air quality categories on its AQI website. "Think of the AQI as a yardstick that runs from 0 to 500. The higher the AQI value, the ...