Tag Archives: PM2.5

New Delhi has most polluted air in the world: WHO

An effort by the World Health Organization (WHO) to measure pollution in cities around the world has found New Delhi, India admits to having the dirtiest air, while Beijing’s measurements, like its skies, are far from clear. The study of … Continue reading

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U.S. clean-air efforts stay on target

National efforts in the last decade to clear the air of dangerous particulate matter have been so successful that most urban areas have already attained the next benchmark, according to new research by Rice University. Atmospheric researchers at Rice studied … Continue reading

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Shanghai base for delta air pollution alert center

Shanghai residents will soon receive more accurate air quality reports with the launch of a new calculating system. Air Quality Index (AQI) calculations will be partly based on an hourly figure for PM2.5 — tiny particles especially harmful as they … Continue reading

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Air pollution alert issued for central, southern Taiwan

The Environmental Protection Administration (EPA) yesterday issued a warning over bad air quality in several areas in central and southern Taiwan beginning last night, but said it is expected to ease tomorrow. According to the EPA’s Taiwan Air Quality Monitoring … Continue reading

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New research shows air pollution might make you bad at your job

In 2011 researchers at UC San Diego and Columbia University were the first to demonstrate a link between air pollution and reduced productivity among outdoor agricultural workers. Now those researchers are back with a new study, entitled “Particulate Pollution and … Continue reading

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New PSI reporting system to see more days with “moderate” air quality

From May 1, Singapore will see more days with the air quality being classified as in the “moderate” range, as concentrations of smaller polluting particles of PM2.5 will be included in the Pollutant Standards Index (PSI) readings. “As a result … Continue reading

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EPA Sets Standards for Air Pollution from Cars and Trucks

The U.S. Environmental Protection Agency finalized new standards on sulfur in gasoline used in cars and trucks. The standards will require lower sulfur content in liquid fuels used in the transportation sector, which will cut smog and air pollution. EPA … Continue reading

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Tokyo Air Pollution Climbs, Approaches Government Alert Levels

Central Tokyo air pollution readings neared levels that could require government alerts after thick smog blanketed parts of China for much of this week. The pollution is originating from both mainland China and Japan, Kansuke Sasaki, an air pollution analyst … Continue reading

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