Tag Archives: Pollutant Standards Index (PSI)

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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Air pollution in Iran still heavy, officials seeking solution

Since the beginning of the current Iranian calendar year (started in March 2013), there have been only four healthy days in Tehran, the governor of Tehran province, Hossein Hashemi said, Iranian IRNA news agency reported on Feb. 24. Hashemi made … Continue reading

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Air quality drops, health at risk

Residents living in a number of regions in Riau province have been reminded of the dangers of inhaling haze from forest and peat fires, which has caused air quality to drop. In Dumai city, the quality of air on Tuesday … Continue reading

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Iran’s air pollution kills 2700 people per year

Heavy air pollution in Iran kills thousands of people in the country each year. Head of the Healthcare and Medical Education Ministry’s environment protection center Kazem Nadafi said that about 2700 people in Iran die each year because of heavy … Continue reading

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South-East Asia’s smog: Unspontaneous combustion

SINCE the mid-1980s, when Indonesia first began to clear its bountiful forests on an industrial scale in favour of lucrative palm-oil plantations, “haze” has become an almost annual occurrence in South-East Asia. The cheapest way to clear logged woodland is … Continue reading

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Singapore mulls legal action over smog from Indonesia fires

Officials in Singapore say they are exploring whether to charge two Singapore-based companies in connection with severe smog triggered by forest fires in Indonesia. The companies own land on the Indonesian island of Sumatra. Singapore’s foreign minister said he had … Continue reading

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New pollution high as haze chokes Singapore

Pollution levels reached a new record high for a third day in a row in Singapore, as smoky haze from fires in Indonesia shrouded the city state. The Pollutant Standards Index PSI hit 401 at 12:00 on Friday 04:00 GMT … Continue reading

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Singapore smog from Indonesia fire ‘could last weeks’

Singapore’s prime minister has warned that the haze engulfing the city-state could last for weeks, as air pollution soared to record levels. The pollution standards index peaked at 371 on Thursday, breaking previous records and well above hazardous levels, before … Continue reading

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