50 Micrograms per cubic meter (μg/m3) is the maximum allowed average for particulate pollution PM 10 in a day by our National Environment Protection (Ambient Air Quality) Measure.
This chart shows the average micrograms per cubic meter of PM 10 pollution for each hour between 2pm and 8pm, April 9th, 2018, for each Echotech air quality monitor along the WestConnex M4 East construction zone.