Breach Of Air Quality Standard For PM10 In The Blenheim Area

In accordance with regulation 16 of the Resource Management (National Environmental Standards for Air Quality) Regulations 2004, referred to as the NES, Marlborough District Council gives notice that the NES for PM₁₀ has been breached in the Blenheim airshed in the year from 13 June 2011.

Date of Exeedance	Location of Exceedance	PM₁₀ (µg m-3)
2 July 2011	Redwoodtown	82
3 July 2011	Redwoodtown	51
5 July 2011	Redwoodtown	55
20 July 2011	Redwoodtown	80
15 August 2011	Redwoodtown	52
23 May 2012	Redwoodtown	53
31 May 2012	Redwoodtown	54
12 June 2012	Redwoodtown	62

The Marlborough District Council monitors PM10 concentrations relative to the NES at air monitoring sites in Middle Renwick Road and Redwoodtown.

The NES for PM10 allows the threshold of 50 µg m-3 to be exceeded on no more than one day per year. The NES has been breached on 8 occasions in Blenheim for the year from 13 June 2011.

More information can be found on our website under Environment/Air Quality National Environmental Standards.