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Tuesday 5 May 2015
The Otago Regional Council is required under the Resource Management (National Environmental Standards for Air Quality) Regulations 2004 to report any breach of the ambient air quality standard.
The National Environmental Standard for 24-hour PM10 is 50 micrograms of particulate per cubic metre of air (mg/m3). PM10 concentrations in April 2015 exceeded the standard as follows:
Air Zone 1
16 April 2015
Cromwell 60
18 April 2015
Cromwell 53
Air Zone 2
16 April 2015
Balclutha 51
17 April 2015
Milton 51
19 April 2015
Milton 58
For more information, see our AirInfo website.
Dr Gavin Palmer
Director Engineering, Hazards and Science