Table 5 New Zealand and International (WHO) guideline levels for PM2.5 concentration (µg/m3)
From: Modeling SO2 dispersion from future eruptions in the Auckland Volcanic Field, New Zealand
Guideline | Exposure period | |
|---|---|---|
24-h | Annual | |
NZ NAAQG | 25 | 10 |
WHO 2021 annual and short-term guidelines | 15 | 5 |