Annual Average Air Pollutant Concentration

      
 
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12-month Rolling Average Air Pollutant Concentration (μg/m3)     [ Show Annual Average AQI ]

Last updated: 2019/10/16 16:00      
Colored bar: 12-Month Rolling Average Concentration (μg/m3)
Ref.: Annual* WHO Air Quality Guideline (μg/m3)
[ NO2: 40, PM10: 20, PM2.5: 10 ]

* There is no annual guideline to SO2 and O3; the 24-hr AQG for SO2 is 20 μg/m3, and the 8-hr AOG for O3 is 80 μg/m3.

Click Barchart to display time series plot