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- Pollutant_Standards_Index abstract "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 polluted the air is. Initially, PSI was based on five air pollutants, but since 1 April 2014, it has included fine particulate matter (PM2.5). In addition to the PSI derived by averaging data collected for the past 24 hours, Singapore also publishes a 3h-PSI based on PM2.5 concentrations for the past 3 hours. 1-hr PM2.5 concentrations are also published every hour.Besides Singapore, some other countries also use air quality indices. However, the calculations used to derive their air quality indices may differ. Different countries also use different names for their indices such as Air Quality Health Index, Air Pollution Index and Pollutant Standards Index.".
- Pollutant_Standards_Index wikiPageExternalLink psi-readings-over-the-last-24-hours.
- Pollutant_Standards_Index wikiPageID "7332857".
- Pollutant_Standards_Index wikiPageRevisionID "604272804".
- Pollutant_Standards_Index hasPhotoCollection Pollutant_Standards_Index.
- Pollutant_Standards_Index subject Category:Air_pollution.
- Pollutant_Standards_Index subject Category:Air_quality_index.
- Pollutant_Standards_Index subject Category:Environment_of_Malaysia.
- Pollutant_Standards_Index subject Category:Environment_of_Singapore.
- Pollutant_Standards_Index subject Category:United_States_Environmental_Protection_Agency.
- Pollutant_Standards_Index comment "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 polluted the air is. Initially, PSI was based on five air pollutants, but since 1 April 2014, it has included fine particulate matter (PM2.5). In addition to the PSI derived by averaging data collected for the past 24 hours, Singapore also publishes a 3h-PSI based on PM2.5 concentrations for the past 3 hours.".
- Pollutant_Standards_Index label "Pollutant Standards Index".
- Pollutant_Standards_Index label "مؤشر معايير التلوث".
- Pollutant_Standards_Index label "空氣污染指數".
- Pollutant_Standards_Index sameAs m.025zg4q.
- Pollutant_Standards_Index sameAs Q708545.
- Pollutant_Standards_Index sameAs Q708545.
- Pollutant_Standards_Index wasDerivedFrom Pollutant_Standards_Index?oldid=604272804.
- Pollutant_Standards_Index isPrimaryTopicOf Pollutant_Standards_Index.