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EPA \ TAQMN \ Air Quality Monitoring \ PM2.5 Index \ Real-time PM2.5 Index

Real-time PM2.5 Index

EPA provides and updates PM2.5 index hourly. You can find more information in the website (http://taqm.epa.gov.tw/taqm/en/fpmi.aspx), including guidelines for the reporting of PM2.5 index. If you are looking for data of current PM2.5 index and concentration, please refer to the website (http://taqm.epa.gov.tw/taqm/en/PsiMap.aspx).

Inquiries for real-time index and monitoring data of PM2.5, please click here(http://taqm.epa.gov.tw/taqm/en/PsiMap.aspx)

Current PM2.5 concentration calculation equation

PM2.50.5 × past 12 hours average + 0.5 × past 4 hours average (at least 3 hours effective data for past 4 hours , and 8 hours effective data for past 12 hours).
Index 1 2 3 4 5 6 7 8 9 10
Air Pollution Banding Low Low Low Moderate Moderate Moderate High High High Very High
PM2.5
concentration
(μg/m3)
0-11 12-23 24-35 36-41 42-47 48-53 54-58 59-64 65-70 ≧71

last update : 2017/03/27

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