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Figure 31 Timeseries of 1-hour dust, measured as total suspended particulates, after filtering out data for fog and smoke
Figure 32 Annual modelled (a) airborne emission, and (b) dry and (c) wet deposition of dust particles <2 to 60 μm in diameter, for 12 months (July 2019 to June 2020); (d) bar chart, with a logarithmic vertical scale, showing the monthly variation in emissions and deposition, summed across Australia
Figure 33 Sources of pollutants in emissions inventory for the Sydney region, 2013
Figure 34 Reduction in emissions of the most common pollutants between the 2008 and 2013 emissions inventory for the Sydney region
Column graph showing that lead and its compounds and oxides of nitrogen have seen the biggest fractional decrease between 2008 and 2013, and all pollutants decreased.

CO = carbon monoxide; NOx = nitrogen oxides; PM2.5 = fine particulate matter; PM10 = coarse particulate matter; SO2 = sulfur dioxide; VOC = volatile organic compound

Source: New South Wales Department of Planning, Industry and Environment

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Figure 35 Breakdown of pollutants by anthropogenic source category, 2018–19
Figure 36 Percentage of emissions from all on-road diesel (light-duty diesel and heavy-duty commercial diesel) and petrol (passenger vehicle petrol and light-duty commercial petrol) vehicles in the Sydney region, 2013
Column graph showing that of petrol and diesel engines, petrol engines account for more carbon monoxide, sulfur dioxide and volatile organic compounds, whereas diesel engines account for more lead and lead compounds and particulate matter. Oxides of nitro

CO = carbon monoxide; NOx = nitrogen oxides; PM2.5 = fine particulate matter; PM10 = coarse particulate matter; SO2 = sulfur dioxide; VOC = volatile organic compound

Source: New South Wales Department of Planning, Industry and Environment

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Figure 37 Modelled timeseries of a typical week of NOx (NO + NO2) emissions from petrol vehicles, normalised to the maximum NOx emission
Figure 38 Emissions from (a) domestic lawnmowing and (b) recreational boating in the greater metropolitan region of New South Wales (includes Newcastle, Wollongong and non-urban regions), 2003, 2008 and 2013
Column graphs showing that the absolute amount of carbon monoxide is far higher than the other categories for lawnmowing and boating, though for boating total volatile organic compounds is larger compared to carbon monoxide at around a third as much.

CO = carbon monoxide; kg/yr = kilogram per year; NOx = nitrogen oxides; PM2.5 = fine particulate matter; PM10 = coarse particulate matter; VOC = volatile organic compound

Source: New South Wales Department of Planning, Industry and Environment

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Figure 39 Contribution of solid fuel–burning emissions to total domestic emissions in the Sydney region, 2013
Figure 40 Evening smoke surveys of Launceston in 2015 (left) and 2017 (right)