Public notice

Exceedances in air quality – June 2024

Friday 19 July 2024

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 June 2024 exceeded the standard as follows: 

June 

Alexandra 

Arrowtown 

Mosgiel 

Air Zone 1 

Air Zone 2 

Concentration (µg/m³) 

6th 

51 

  

  

7th 

 

61 

 

8th 

 

60 

 

13th 

51 

 

 

14th 

58 

 

 

20th 

57 

 

 

23rd 

 

 

65 

26th 

 

56 

 

28th 

58 

 

 

30th 

62 

 

 

Total 

6 

3 

1