Key Category Analysis PM2.5

The tables below show detailed information on how the key categories for PM2.5 were calculated.

Level

Source Emissions in 2012 (Gg) Proportion PM2.5
1.A.4.b.i Residential: Stationary plants 29.21 26.09% 26.09%
2.G Other production, consumption, storage, transportation or handling of bulk products 11.08 9.89% 35.98%
3.D.3 Other product use 10.19 9.10% 45.08%
1.A.1.a Public Electricity and Heat Production 9.30 8.31% 53.38%
1.A.3.b.vi Road Transport:, Automobile tyre and brake wear 6.83 6.10% 59.48%
1.A.4.c.ii Agriculture/Forestry/Fishing: Off-road Vehicles and Other Machinery 6.53 5.84% 65.32%
1.A.3.b.i Road Transport:, Passenger cars 5.56 4.96% 70.28%
1.A.3.b.vii Road Transport:, Automobile road abrasion 3.84 3.43% 73.71%
1.A.3.b.iii Road Transport:, Heavy duty vehicles 3.57 3.19% 76.90%
2.C.1 Iron and Steel Production 2.27 2.02% 78.92%
1.A.3.b.ii Road Transport:, Light duty vehicles 2.09 1.87% 80,79%
1.A.2.f.i Stationary Combustion in Manufacturing Industries and Construction: Other 2.06 1.84% 82.63%
1.A.2.f.ii Mobile Combustion in Manufacturing Industries and Construction 1.79 1.60% 84.23%
1.A.4.a.i Commercial / Institutional: Stationary 1.69 1.51% 85.73%
4.B.1.a Cattle Dairy 1.55 1.38% 87.11%
2.A.1 Cement Production 1.46 1.30% 88.42%
4.B.8 Swine 1.41 1.26% 89.67%
4.B.1.b Cattle Non-Dairy 1.30 1.16% 90.83%
2.A.7.a Quarrying and mining of minerals other than coal 1.03 0.92% 91.75%
1.A.4.c.i Agriculture/Forestry/Fishing: Stationary 0.90 0.80% 92.55%
2.A.7.d Other Mineral products 0.86 0.77% 93.32%
4.D.2.a Farm-level agricultural operations including storage, handling and transport of agricultural products 0.72 0.64% 93.96%
1.A.1.b Petroleum refining 0.71 0.63% 94,59%
1.B.1.a Fugitive emission from Solid Fuels: Coal Mining and Handling 0.70 0.62% 95,21%

Trend

Source Emissions in 1995 (Gg) Emissions in 2012 (Gg) Contribution to trend PM2.5
1.A.3.b.iii Road Transport:, Heavy duty vehicles 20.57 3.57 16.23% 16.23%
1.A.3.b.i Road Transport:, Passenger cars 16.91 5.56 11.62% 27.85%
1.A.4.b.i Residential: Stationary plants 22.41 29.21 9.98% 37.82%
1.A.4.c.ii Agriculture/Forestry/Fishing: Off-road Vehicles and Other Machinery 13.66 6.53 8.04% 48.87%
2.C.1 Iron and Steel Production 9.74 2.27 7.31% 53.17%
1.A.1.a Public Electricity and Heat Production 13.99 9.30 6.53% 59.70%
1.A.4.a.i Commercial / Institutional: Stationary 6.03 1.69 4.34% 64.04%
1.A.2.f.ii Mobile Combustion in Manufacturing Industries and Construction 5.49 1.79 3.78% 67.82%
1.A.3.b.ii Road Transport:, Light duty vehicles 5.35 2.09 3.46% 71.27%
2.G Other production, consumption, storage, transportation or handling of bulk products 11.23 11.08 2.87% 74.14%
3.D.3 Other product use 10.35 10.19 2.66% 76.80%
1.A.1.c Manufacture of Solid Fuels and Other Energy Industries 3.01 0.29 2.52% 79.32%
2.A.1 Cement Production 3.72 1.46 2.40% 81.72%
1.A.2.f.i Stationary Combustion in Manufacturing Industries and Construction: Other 3.79 2.06 2.07% 83.79%
1.A.3.b.vi Road Transport:, Automobile tyre and brake wear 5.95 6.83 2.04% 85.84%
2.A.7.d Other Mineral products 2.37 0.86 1.58% 87.41%
1.A.1.b Petroleum refining 2.19 0.71 1.51% 88.92%
1.A.3.b.vii Road Transport:, Automobile road abrasion 3.37 3.84 1.14% 90.05%
2.C.3 Aluminium Production 1.50 0.40 1.09% 91.15%
1.A.3.c Railways 1.35 0.30 1.02% 92.17%
1.A.5.b Other, Mobile (Including military, land based and recreational boats) 0.99 0.12 0.82% 92.99%
4.B.1.b Cattle Non-Dairy 1.76 1.30 0.74% 93.73%
4.B.1.a Cattle Dairy 1.86 1.55 0.67% 94.39%
2.A.7.a Quarrying and mining of minerals other than coal 1.47 1.03 0.66% 95.05%
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