Thursday 6 July 2023
The Otago Regional Council is required under the National environmental standards for air quality (NESAQ, 2004) to report any breach of the ambient air quality standard.
The NESAQ for 24-hour PM10 is 50 µg/m³. PM10 concentrations in June 2023 exceeded the standard as follows:
|
June |
Alexandra |
Arrowtown |
Mosgiel |
|
Concentration (µg/m³) |
|||
|
8 |
|
81 |
58 |
|
10 |
|
55 |
|
|
11 |
|
|
56 |
|
14 |
|
57 |
|
|
16 |
51 |
66 |
|
|
17 |
|
69 |
|
|
18 |
|
55 |
|
|
20 |
|
51 |
|
|
25 |
|
51 |
|
|
26 |
|
|
54 |
|
27 |
|
|
54 |
|
Total |
1 |
8 |
4 |