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Perth High Street


Latest pollution level at this site is: LOW (Index 1)

Last updated: 18/09/2019 05:00

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Statistics for Perth High Street

Monthly Statistics (monthly averages) for 2019

The monthly data below are average concentration data, followed by data capture rates (shown as a percentage of each month).
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
36 18   178 92 16       
86% 79% 100% 93% 47%   78% 94% 92%       

Annual Statistics for 2019

Annual Hourly Mean (to date) 48 µg/m3   Provisional  73% DC
Max Daily Mean 1104 µg/m3   Ratified  73% DC
Max Hourly Mean 2804 µg/m3   Provisional  73% DC


  • P - Provisional Data
  • R - Ratified Data

Note: For a strict comparison against the objectives there must be a data capture of 85% or greater throughout the calendar year.

Exceedance Statistics for 2019

There are no defined exceedance criteria for this pollutant.

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