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Perth Crieff

Site ID: PET1

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

Last updated: 18/09/2019 07:00

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Statistics for Perth Crieff

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
23 19 12 14       
98% 74% 96% 99% 93% 99% 100% 99% 99%       

Annual Statistics for 2019

Annual Hourly Mean (to date) 11 µg/m3   Provisional  95% DC
Max Daily Mean 44 µg/m3   Ratified  95% DC
Max Hourly Mean 145 µg/m3   Ratified  95% 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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