London Atmospheric Emissions Inventory (LAEI)

Emissions by Source Type - Hillingdon

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NO_x

Borough: Hillingdon
NOx Emissions by Source Type
Emissions (Tonnes) from	2016	2019	2022	2025	2030
Road Transport	1,514	1,124	797	509	259
Aviation	2,608	2,686	1,885	2,513	2,473
Rail	115	31	23	26	28
River	1	1	1	1	1
Industrial/Commercial Heat/Power	712	708	699	705	674
Industrial Processes	91	82	61	72	71
Construction	39	53	60	52	9
Domestic Heat/Power	97	88	67	58	50
Other	14	13	13	13	13
Total	5,191	4,785	3,605	3,949	3,577

PM₁₀

Borough: Hillingdon
PM10 Emissions by Source Type
Emissions (Tonnes) from	2016	2019	2022	2025	2030
Road Transport	157	147	131	128	111
Aviation	57	56	130	137	134
Rail	2	1	1	1	1
River	0	0	0	0	0
Industrial/Commercial Heat/Power	38	38	38	39	38
Industrial Processes	16	15	12	14	14
Construction	335	262	19	66	36
Commercial Cooking	8	8	8	8	7
Domestic Heat/Power	12	11	10	9	8
Domestic Biomass/Wood Burning	25	25	21	23	22
Domestic Cooking	9	9	9	8	8
Resuspension	78	76	86	74	72
Other	12	12	23	12	12
Total	749	660	488	519	462

PM_2.5

Borough: Hillingdon
PM2.5 Emissions by Source Type
Emissions (Tonnes) from	2016	2019	2022	2025	2030
Road Transport	85	76	64	62	54
Aviation	46	46	121	126	124
Rail	1	1	0	1	1
River	0	0	0	0	0
Industrial/Commercial Heat/Power	33	33	33	34	33
Industrial Processes	15	15	12	14	14
Construction	34	27	3	8	4
Commercial Cooking	8	8	8	8	7
Domestic Heat/Power	11	11	10	8	7
Domestic Biomass/Wood Burning	25	25	21	23	22
Domestic Cooking	9	9	9	8	8
Resuspension	3	3	3	3	3
Other	10	10	20	10	10
Total	282	263	305	305	286

CO₂

Borough: Hillingdon
CO2 Emissions by Source Type
Emissions (Tonnes) from	2016	2019	2022	2025	2030
Road Transport	501,333	478,994	449,578	408,460	298,473
Aviation	805,591	794,650	632,511	773,995	752,647
Rail	16,634	8,344	5,806	7,729	8,121
River	85	85	85	85	85
Industrial/Commercial Heat/Power	274,364	271,614	265,818	263,385	246,597
Industrial Processes	23,596	13,973	10,995	13,208	13,208
Construction	11,559	16,359	27,745	35,299	10,916
Domestic Heat/Power	298,199	309,426	294,240	287,045	264,507
Other	882	892	2,961	892	892
Total	1,932,242	1,894,336	1,689,738	1,790,097	1,595,447

Note
This summary dashboard is based on the London Atmospheric Emissions Inventory 2022. The charts show emissions from each air pollution source stacked on top of one another, with the total stack height equalling total emissions from all sources across the borough. The numbers in the table are those used to plot the graph and represent, for each year, the amount of pollutant emitted into the atmosphere (in tonnes/year).
- Industrial Processes: includes emissions from Part A1, A2/B processes, and Non-Road Mobile Machinery (NRMM) exhaust on industrial sites.
- Construction: includes emissions from construction dust (PM) and NRMM exhaust on construction sites.

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