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Air Pollution Records

WB 0521 Publicnotice 002

The National Environmental Standard (NES) for air quality has been exceeded during 1-31 March 2024. The limit is a measure of particulate matter (PM10) of 50 μg/m3 (micrograms per cubic metre) in a 24 hour average.

Exceedances from 1 – 31 March 2024 were:


Site of Measurement

PM10 (μg/m3)*

4 March 2024



5 March 2024



22 March 2024



(*micrograms per cubic metre)

An airshed is a defined geographic area where air pollution is monitored. The monitoring sites are located at Marewa Park in the Napier airshed, St John’s College in the Hastings airshed and Waitangi Road in the Awatoto airshed. Emissions in the Napier and Hastings airsheds are predominantly from residential heating sources, while those in the Awatoto airshed are predominantly from industrial and natural sources. 

This notice is in accordance with Clause 16 of the Resource Management (National Environmental Standards Relating to Certain Air Pollutants, Dioxins, and Other Toxics) Regulations 2004.

Information on HBRC dry wood and Sustainable Homes scheme loans and grants for warmer, healthier homes is available on our website.

Dr Nic Peet
Chief Executive

3 April 2024

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