Air quality readings as per the National Environment Protection Messure for PM10 and PM2.5 are daily averaged (Midnight to
There is no standard shorter than this for PM's. Health problems can result as a result of this as explained in the Guide above.
Readings can be high for a good part of the day but if the 50mg/m3 Pm10, and 25mg/m3 PM2.5 average is not breached then
there would not be an exceedence of the NEPM Standard.
There is no Visible Reducing Index in Tasmania like in Victoria.
Senate Standing Committees
Standing Council on Environment and Water