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Air Quality Monitoring Report for Hamilton, Tokoroa, Taupo,Te Kuiti, Matamata, Putaruru, Ngaruawahia, Waihi and Turangi – 2010

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Report: TR 2011/07
Author: E Wilton (Environet Ltd)

Abstract

The main air contaminant of concern in the Waikato and most other urban areas of New Zealand is PM10 (particles in the air less than 10 microns in diameter).  The Ministry for the Environment specifies that the National Environmental Standard (NES) for PM10 of 50 µg m-3 (24-hour average, one allowable exceedence per year) must be achieved by September 2016 in all urban areas of the Waikato with the exception of Tokoroa.  Tokoroa is required to achieve three exceedences by September 2016 and reduce PM10 to meet the NES by September 2020.  The NES requires air quality monitoring to take place in areas that are likely to exceed the standard for PM10.

During 2010, PM10 monitoring was carried out at Hamilton, Tokoroa, Taupo, Te Kuiti, Matamata, Putaruru, Ngaruawahia, Waihi and Turangi.  Monitoring for benzene, toluene and xylenes also took place in Hamilton. This report compares PM10 concentrations measured in these areas to the NES for PM10 and to the Ministry for the Environment’s air quality guidelines and indicator categories.

Air Quality Monitoring Report for Hamilton, Tokoroa, Taupo,Te Kuiti, Matamata, Putaruru, Ngaruawahia, Waihi and Turangi – 2010 (1 mb)

Table of contents

1 Introduction 1
1.1 Reporting period 3
2 Methodology 5
3 Hamilton 7
3.1 Air quality monitoring in Hamilton 7
3.2 PM10 concentrations for Hamilton 8
3.3 Concentrations of benzene, toluene and xylenes 12
3.4 Comparison of meteorological conditions for 2010 to previous years 13
4 Tokoroa 17
4.1 Air quality monitoring in Tokoroa 17
4.2 PM10 concentrations in Tokoroa 18
4.2 Daily variations in PM10 and meteorology on high pollution days 22
5 Taupo 25
5.1 Air quality monitoring in Taupo 25
5.2 PM10 concentrations in Taupo 26
5.3 Daily variations in PM10 and meteorology on high pollution days 30
6 Te Kuiti 31
6.1 Air quality monitoring in Te Kuiti 31
6.2 PM10 concentrations in Te Kuiti 31
6.3 Daily variations in PM10 and meteorology on high pollution days 34
7 Matamata 35
7.1 Air quality monitoring in Matamata 35
7.2 PM10 concentrations in Matamata 35
7.3 Daily variations in PM10 and meteorology on high pollution days 38
8 Putaruru 39
8.1 Air quality monitoring in Putaruru 39
8.2 PM10 concentrations in Putaruru 40
9 Ngaruawahia 43
9.1 Air quality monitoring in Ngaruawahia 43
9.2 PM10 concentrations in Ngaruawahia 44
10 Waihi 47
10.1 Air quality monitoring in Waihi 47
10.2 PM10 concentrations in Waihi 48
11 Turangi 51
11.1 Air quality monitoring in Turangi 51
11.2 PM10 concentrations in Turangi 52
12 Summary 55
  References 56
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