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Perth Crieff

Site ID: PET1

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

Last updated: 05/08/2020 19:00

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Statistics for Perth Crieff

Monthly Statistics (monthly averages) for 2020

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
15 15 10         
100% 100% 100% 50% 100% 100% 100% 98%         

Annual Statistics for 2020

Annual Hourly Mean (to date) 9 µg/m3   Provisional  93% DC
Max Daily Mean 36 µg/m3   Ratified  93% DC
Max Hourly Mean 306 µg/m3   Provisional  93% 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 2020

There are no defined exceedance criteria for this pollutant.

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