Thursday 3 August 2023
As a regional council, we are required under the National environmental standards for air quality (NESAQ, 2004) to report any breach of the ambient air quality standard.
The National Environmental Standards for Air Quality (NESAQ) for 24-hour PM10 (Particulate Matter with a diameter of 10 micrometres or less) is:
50 µg/m³
PM10 concentrations in July 2023 exceeded the standard as follows:
|
July |
Arrowtown |
|
Concentration (µg/m³) |
|
|
6 |
70 |
|
8 |
58 |
|
9 |
83 |
|
10 |
56 |
|
29 |
56 |
|
30 |
59 |
|
Total |
6 |