Gera Air Health Index — Complete Rankings

296 English local authorities · DEFRA PCM 2024 · Last updated 2026-06-20

National average GAH: 5.9/10. Ranked cleanest-first. GAH/10 = Gera Air Health Index — higher means cleaner air and lower health burden from particulate pollution. Methodology.

All 296 English local authorities ranked by Gera Air Health Index
Rank	Local authority	Region	GAH/10	PM2.5 (µg/m3)	WHO met	UK target	Data
1	Isles of Scilly	South East / South West	10.0	4.20	Yes ✓	Yes ✓	PM2.5 + health
2	Cumberland	North East	9.7	4.44	Yes ✓	Yes ✓	PM2.5 + health
3	North Devon	South East / South West	9.3	4.66	Yes ✓	Yes ✓	PM2.5 only
4	Torridge	England	9.3	4.68	Yes ✓	Yes ✓	PM2.5 only
5	Westmorland and Furness	North East	9.2	4.74	Yes ✓	Yes ✓	PM2.5 + health
6	West Devon	South East / South West	9.0	4.88	Yes ✓	Yes ✓	PM2.5 only
7	South Hams	England	8.8	5.03	—	Yes ✓	PM2.5 only
8	Northumberland	North East	8.7	5.04	—	Yes ✓	PM2.5 + health
9	Cornwall	South East / South West	8.7	5.08	—	Yes ✓	PM2.5 + health
10	Wyre	England	8.5	5.18	—	Yes ✓	PM2.5 only
11	East Devon	South East / South West	8.5	5.22	—	Yes ✓	PM2.5 only
12	Teignbridge	England	8.5	5.23	—	Yes ✓	PM2.5 only
13	Mid Devon	South East / South West	8.4	5.26	—	Yes ✓	PM2.5 only
14	Lancaster	England	8.4	5.26	—	Yes ✓	PM2.5 only
15	Fylde	England	8.4	5.29	—	Yes ✓	PM2.5 only
16	Redcar and Cleveland	North East	8.3	5.34	—	Yes ✓	PM2.5 + health
17	Torbay	England	8.3	5.34	—	Yes ✓	PM2.5 + health
18	Herefordshire, County of	Midlands	8.2	5.38	—	Yes ✓	PM2.5 + health
19	Blackpool	North West	8.2	5.40	—	Yes ✓	PM2.5 + health
20	County Durham	North East	8.2	5.41	—	Yes ✓	PM2.5 + health
21	Hartlepool	North East	8.1	5.47	—	Yes ✓	PM2.5 + health
22	Shropshire	Midlands	8.1	5.46	—	Yes ✓	PM2.5 + health
23	North Yorkshire	Yorkshire and the Humber	8.1	5.47	—	Yes ✓	PM2.5 + health
24	Dorset	South East / South West	8.1	5.48	—	Yes ✓	PM2.5 + health
25	Darlington	North East	8.1	5.48	—	Yes ✓	PM2.5 + health
26	Exeter	South West	8.1	5.52	—	Yes ✓	PM2.5 only
27	Plymouth	South West	8.0	5.52	—	Yes ✓	PM2.5 + health
28	Somerset	South East / South West	8.0	5.52	—	Yes ✓	PM2.5 + health
29	North Somerset	South East / South West	8.0	5.54	—	Yes ✓	PM2.5 + health
30	Isle of Wight	South East / South West	7.9	5.58	—	Yes ✓	PM2.5 + health
31	Forest of Dean	England	7.8	5.72	—	Yes ✓	PM2.5 only
32	New Forest	England	7.8	5.72	—	Yes ✓	PM2.5 only
33	Ribble Valley	England	7.7	5.74	—	Yes ✓	PM2.5 only
34	Stockton-on-Tees	North East	7.7	5.76	—	Yes ✓	PM2.5 + health
35	Malvern Hills	England	7.5	5.86	—	Yes ✓	PM2.5 only
36	Bournemouth, Christchurch and Poole	South West	7.5	5.90	—	Yes ✓	PM2.5 + health
37	Wirral	North West	7.4	5.93	—	Yes ✓	PM2.5 + health
38	Middlesbrough	North East	7.4	5.95	—	Yes ✓	PM2.5 + health
39	York	Yorkshire and the Humber	7.4	5.96	—	Yes ✓	PM2.5 + health
40	Wiltshire	South East / South West	7.4	5.97	—	Yes ✓	PM2.5 + health
41	Stroud	England	7.3	6.00	—	Yes ✓	PM2.5 only
42	Chichester	England	7.3	6.00	—	Yes ✓	PM2.5 only
43	Pendle	England	7.3	6.00	—	Yes ✓	PM2.5 only
44	Sunderland	North East	7.3	5.99	—	Yes ✓	PM2.5 + health
45	Gateshead	North East	7.3	6.00	—	Yes ✓	PM2.5 + health
46	Cheshire West and Chester	North West	7.3	6.01	—	Yes ✓	PM2.5 + health
47	Test Valley	England	7.3	6.03	—	Yes ✓	PM2.5 only
48	West Lancashire	North West	7.3	6.04	—	Yes ✓	PM2.5 only
49	Winchester	England	7.3	6.05	—	Yes ✓	PM2.5 only
50	South Ribble	England	7.3	6.04	—	Yes ✓	PM2.5 only
51	Preston	England	7.3	6.05	—	Yes ✓	PM2.5 only
52	Arun	England	7.3	6.06	—	Yes ✓	PM2.5 only
53	Cotswold	England	7.2	6.09	—	Yes ✓	PM2.5 only
54	Sefton	North West	7.2	6.08	—	Yes ✓	PM2.5 + health
55	Bath and North East Somerset	South East / South West	7.2	6.09	—	Yes ✓	PM2.5 + health
56	East Hampshire	South East / South West	7.2	6.12	—	Yes ✓	PM2.5 only
57	Gosport	England	7.1	6.14	—	Yes ✓	PM2.5 only
58	North Tyneside	North East	7.0	6.19	—	Yes ✓	PM2.5 + health
59	South Tyneside	North East	7.0	6.19	—	Yes ✓	PM2.5 + health
60	Rossendale	England	7.0	6.20	—	Yes ✓	PM2.5 only
61	Telford and Wrekin	England	7.0	6.20	—	Yes ✓	PM2.5 + health
62	Newcastle upon Tyne	North East	7.0	6.22	—	Yes ✓	PM2.5 + health
63	Derbyshire Dales	Midlands	6.9	6.27	—	Yes ✓	PM2.5 only
64	Burnley	England	6.9	6.27	—	Yes ✓	PM2.5 only
65	Chorley	England	6.9	6.28	—	Yes ✓	PM2.5 only
66	Fareham	England	6.9	6.30	—	Yes ✓	PM2.5 only
67	Havant	England	6.9	6.31	—	Yes ✓	PM2.5 only
68	Blackburn with Darwen	North West	6.8	6.32	—	Yes ✓	PM2.5 + health
69	Tewkesbury	North West	6.8	6.33	—	Yes ✓	PM2.5 only
70	Lewes	England	6.8	6.34	—	Yes ✓	PM2.5 only
71	West Berkshire	South East / South West	6.8	6.33	—	Yes ✓	PM2.5 + health
72	Hyndburn	England	6.8	6.34	—	Yes ✓	PM2.5 only
73	Staffordshire Moorlands	Midlands	6.8	6.34	—	Yes ✓	PM2.5 only
74	Wychavon	England	6.8	6.34	—	Yes ✓	PM2.5 only
75	Eastleigh	England	6.8	6.37	—	Yes ✓	PM2.5 only
76	Basingstoke and Deane	England	6.8	6.38	—	Yes ✓	PM2.5 only
77	Cheshire East	North West	6.8	6.38	—	Yes ✓	PM2.5 + health
78	Eastbourne	England	6.8	6.40	—	Yes ✓	PM2.5 only
79	Wyre Forest	England	6.7	6.42	—	Yes ✓	PM2.5 only
80	Worthing	England	6.7	6.43	—	Yes ✓	PM2.5 only
81	West Oxfordshire	South East / South West	6.7	6.44	—	Yes ✓	PM2.5 only
82	East Riding of Yorkshire	Yorkshire and the Humber	6.7	6.43	—	Yes ✓	PM2.5 + health
83	Wealden	England	6.7	6.45	—	Yes ✓	PM2.5 only
84	Worcester	England	6.7	6.45	—	Yes ✓	PM2.5 only
85	High Peak	England	6.7	6.46	—	Yes ✓	PM2.5 only
86	Stratford-on-Avon	England	6.7	6.46	—	Yes ✓	PM2.5 only
87	Rother	England	6.6	6.48	—	Yes ✓	PM2.5 only
88	Cheltenham	England	6.6	6.48	—	Yes ✓	PM2.5 only
89	Stafford	England	6.6	6.48	—	Yes ✓	PM2.5 only
90	Halton	North West	6.6	6.49	—	Yes ✓	PM2.5 + health
91	Southampton	England	6.6	6.50	—	Yes ✓	PM2.5 + health
92	Folkestone and Hythe	England	6.6	6.51	—	Yes ✓	PM2.5 only
93	Waverley	England	6.6	6.51	—	Yes ✓	PM2.5 only
94	Horsham	England	6.6	6.52	—	Yes ✓	PM2.5 only
95	Melton	England	6.5	6.53	—	Yes ✓	PM2.5 only
96	Dover	England	6.5	6.56	—	Yes ✓	PM2.5 only
97	Gloucester	England	6.5	6.56	—	Yes ✓	PM2.5 only
98	Adur	England	6.5	6.57	—	Yes ✓	PM2.5 only
99	Warrington	North West	6.5	6.57	—	Yes ✓	PM2.5 + health
100	Portsmouth	England	6.5	6.59	—	Yes ✓	PM2.5 + health
101	Calderdale	Yorkshire and the Humber	6.5	6.59	—	Yes ✓	PM2.5 + health
102	South Gloucestershire	South East / South West	6.4	6.60	—	Yes ✓	PM2.5 + health
103	North Norfolk	South East / South West	6.4	6.62	—	Yes ✓	PM2.5 only
104	Vale of White Horse	England	6.4	6.61	—	Yes ✓	PM2.5 only
105	Bristol, City of	South West	6.4	6.61	—	Yes ✓	PM2.5 + health
106	Hart	England	6.4	6.63	—	Yes ✓	PM2.5 only
107	East Staffordshire	Midlands	6.4	6.66	—	Yes ✓	PM2.5 only
108	Rutland	Midlands	6.4	6.65	—	Yes ✓	PM2.5 + health
109	Hastings	England	6.4	6.66	—	Yes ✓	PM2.5 only
110	Thanet	England	6.4	6.66	—	Yes ✓	PM2.5 only
111	South Oxfordshire	South East / South West	6.3	6.69	—	Yes ✓	PM2.5 only
112	East Lindsey	England	6.3	6.70	—	Yes ✓	PM2.5 only
113	Newcastle-under-Lyme	North East	6.3	6.69	—	Yes ✓	PM2.5 only
114	Wigan	North West	6.3	6.69	—	Yes ✓	PM2.5 + health
115	Liverpool	North West	6.3	6.69	—	Yes ✓	PM2.5 + health
116	Brighton and Hove	England	6.3	6.70	—	Yes ✓	PM2.5 + health
117	Swindon	England	6.3	6.71	—	Yes ✓	PM2.5 + health
118	Canterbury	North West	6.3	6.73	—	Yes ✓	PM2.5 only
119	St. Helens	England	6.2	6.74	—	Yes ✓	PM2.5 + health
120	Tendring	England	6.2	6.75	—	Yes ✓	PM2.5 only
121	Mid Sussex	England	6.2	6.76	—	Yes ✓	PM2.5 only
122	Redditch	England	6.2	6.78	—	Yes ✓	PM2.5 only
123	South Staffordshire	Midlands	6.2	6.79	—	Yes ✓	PM2.5 only
124	Bromsgrove	England	6.2	6.79	—	Yes ✓	PM2.5 only
125	Ashford	England	6.2	6.80	—	Yes ✓	PM2.5 only
126	Tunbridge Wells	England	6.1	6.81	—	Yes ✓	PM2.5 only
127	Harborough	England	6.1	6.81	—	Yes ✓	PM2.5 only
128	South Kesteven	England	6.1	6.83	—	Yes ✓	PM2.5 only
129	Knowsley	North West	6.1	6.81	—	Yes ✓	PM2.5 + health
130	Cherwell	England	6.1	6.83	—	Yes ✓	PM2.5 only
131	South Derbyshire	Midlands	6.0	6.87	—	Yes ✓	PM2.5 only
132	North West Leicestershire	Midlands	6.0	6.87	—	Yes ✓	PM2.5 only
133	South Holland	England	6.0	6.87	—	Yes ✓	PM2.5 only
134	Rushcliffe	England	6.0	6.88	—	Yes ✓	PM2.5 only
135	Bolton	North West	6.0	6.87	—	Yes ✓	PM2.5 + health
136	Breckland	England	6.0	6.89	—	Yes ✓	PM2.5 only
137	Maldon	England	6.0	6.91	—	Yes ✓	PM2.5 only
138	Uttlesford	England	6.0	6.91	—	Yes ✓	PM2.5 only
139	East Suffolk	South East / South West	6.0	6.91	—	Yes ✓	PM2.5 only
140	South Norfolk	South East / South West	6.0	6.93	—	Yes ✓	PM2.5 only
141	Warwick	England	6.0	6.92	—	Yes ✓	PM2.5 only
142	Lichfield	England	6.0	6.93	—	Yes ✓	PM2.5 only
143	Bradford	Yorkshire and the Humber	6.0	6.92	—	Yes ✓	PM2.5 + health
144	King's Lynn and West Norfolk	South East / South West	5.9	6.94	—	Yes ✓	PM2.5 only
145	Boston	England	5.9	6.96	—	Yes ✓	PM2.5 only
146	Guildford	England	5.9	6.96	—	Yes ✓	PM2.5 only
147	North Warwickshire	Midlands	5.9	6.97	—	Yes ✓	PM2.5 only
148	Mid Suffolk	South East / South West	5.9	6.98	—	Yes ✓	PM2.5 only
149	East Cambridgeshire	South East / South West	5.9	7.00	—	Yes ✓	PM2.5 only
150	South Cambridgeshire	South East / South West	5.9	7.00	—	Yes ✓	PM2.5 only
151	Great Yarmouth	England	5.9	7.00	—	Yes ✓	PM2.5 only
152	Newark and Sherwood	England	5.9	7.00	—	Yes ✓	PM2.5 only
153	Babergh	England	5.9	7.00	—	Yes ✓	PM2.5 only
154	North East Derbyshire	Midlands	5.8	7.00	—	Yes ✓	PM2.5 only
155	Fenland	England	5.8	7.02	—	Yes ✓	PM2.5 only
156	Amber Valley	England	5.8	7.02	—	Yes ✓	PM2.5 only
157	Braintree	England	5.8	7.02	—	Yes ✓	PM2.5 only
158	Cannock Chase	England	5.8	7.03	—	Yes ✓	PM2.5 only
159	Rugby	England	5.8	7.03	—	Yes ✓	PM2.5 only
160	Kirklees	Yorkshire and the Humber	5.8	7.02	—	Yes ✓	PM2.5 + health
161	West Suffolk	South East / South West	5.8	7.04	—	Yes ✓	PM2.5 only
162	North Kesteven	England	5.8	7.06	—	Yes ✓	PM2.5 only
163	Oxford	England	5.8	7.07	—	Yes ✓	PM2.5 only
164	Barnsley	Yorkshire and the Humber	5.7	7.06	—	Yes ✓	PM2.5 + health
165	Crawley	England	5.7	7.09	—	Yes ✓	PM2.5 only
166	Colchester	East of England	5.7	7.10	—	Yes ✓	PM2.5 only
167	Rushmoor	England	5.7	7.09	—	Yes ✓	PM2.5 only
168	Rochdale	North West	5.7	7.08	—	Yes ✓	PM2.5 + health
169	Huntingdonshire	England	5.7	7.10	—	Yes ✓	PM2.5 only
170	Hinckley and Bosworth	England	5.7	7.10	—	Yes ✓	PM2.5 only
171	Wokingham	England	5.7	7.09	—	Yes ✓	PM2.5 + health
172	Swale	England	5.7	7.12	—	Yes ✓	PM2.5 only
173	Broadland	England	5.7	7.12	—	Yes ✓	PM2.5 only
174	Mole Valley	England	5.7	7.12	—	Yes ✓	PM2.5 only
175	Bedford	England	5.7	7.11	—	Yes ✓	PM2.5 + health
176	Chesterfield	England	5.7	7.13	—	Yes ✓	PM2.5 only
177	Bury	North West	5.7	7.11	—	Yes ✓	PM2.5 + health
178	Trafford	North West	5.7	7.11	—	Yes ✓	PM2.5 + health
179	Reading	East of England	5.7	7.12	—	Yes ✓	PM2.5 + health
180	Central Bedfordshire	South East / South West	5.6	7.13	—	Yes ✓	PM2.5 + health
181	Bassetlaw	England	5.6	7.15	—	Yes ✓	PM2.5 only
182	Buckinghamshire	South East / South West	5.6	7.14	—	Yes ✓	PM2.5 + health
183	East Hertfordshire	South East / South West	5.6	7.15	—	Yes ✓	PM2.5 only
184	Stoke-on-Trent	England	5.6	7.14	—	Yes ✓	PM2.5 + health
185	West Lindsey	England	5.6	7.16	—	Yes ✓	PM2.5 only
186	Wakefield	Yorkshire and the Humber	5.6	7.14	—	Yes ✓	PM2.5 + health
187	Bracknell Forest	East of England	5.6	7.17	—	Yes ✓	PM2.5 + health
188	North Hertfordshire	South East / South West	5.6	7.18	—	Yes ✓	PM2.5 only
189	Tandridge	England	5.6	7.19	—	Yes ✓	PM2.5 only
190	Surrey Heath	South East / South West	5.6	7.19	—	Yes ✓	PM2.5 only
191	Stevenage	England	5.5	7.21	—	Yes ✓	PM2.5 only
192	West Northamptonshire	South East / South West	5.5	7.21	—	Yes ✓	PM2.5 + health
193	Nuneaton and Bedworth	England	5.5	7.23	—	Yes ✓	PM2.5 only
194	North Northamptonshire	South East / South West	5.5	7.22	—	Yes ✓	PM2.5 + health
195	Woking	England	5.5	7.24	—	Yes ✓	PM2.5 only
196	North Lincolnshire	Midlands	5.5	7.23	—	Yes ✓	PM2.5 + health
197	Chelmsford	East of England	5.5	7.25	—	Yes ✓	PM2.5 only
198	Sevenoaks	England	5.5	7.26	—	Yes ✓	PM2.5 only
199	Bolsover	England	5.5	7.26	—	Yes ✓	PM2.5 only
200	Erewash	England	5.5	7.26	—	Yes ✓	PM2.5 only
201	Milton Keynes	England	5.5	7.26	—	Yes ✓	PM2.5 + health
202	Charnwood	England	5.5	7.27	—	Yes ✓	PM2.5 only
203	Oadby and Wigston	England	5.5	7.27	—	Yes ✓	PM2.5 only
204	Tamworth	England	5.4	7.28	—	Yes ✓	PM2.5 only
205	Tonbridge and Malling	England	5.4	7.29	—	Yes ✓	PM2.5 only
206	Blaby	England	5.4	7.31	—	Yes ✓	PM2.5 only
207	Reigate and Banstead	England	5.4	7.31	—	Yes ✓	PM2.5 only
208	Stockport	North West	5.4	7.29	—	Yes ✓	PM2.5 + health
209	Maidstone	England	5.4	7.32	—	Yes ✓	PM2.5 only
210	Sheffield	Yorkshire and the Humber	5.4	7.30	—	Yes ✓	PM2.5 + health
211	Rochford	England	5.4	7.32	—	Yes ✓	PM2.5 only
212	Dacorum	England	5.4	7.33	—	Yes ✓	PM2.5 only
213	Dudley	Midlands	5.4	7.31	—	Yes ✓	PM2.5 + health
214	North East Lincolnshire	Midlands	5.4	7.32	—	Yes ✓	PM2.5 + health
215	Southend-on-Sea	East of England	5.3	7.34	—	Yes ✓	PM2.5 + health
216	Peterborough	England	5.3	7.35	—	Yes ✓	PM2.5 + health
217	Leeds	Yorkshire and the Humber	5.3	7.36	—	Yes ✓	PM2.5 + health
218	Solihull	Midlands	5.3	7.37	—	Yes ✓	PM2.5 + health
219	Windsor and Maidenhead	East of England	5.3	7.38	—	Yes ✓	PM2.5 + health
220	Cambridge	England	5.3	7.39	—	Yes ✓	PM2.5 only
221	Ashfield	England	5.3	7.39	—	Yes ✓	PM2.5 only
222	Broxtowe	England	5.3	7.39	—	Yes ✓	PM2.5 only
223	Mansfield	England	5.3	7.39	—	Yes ✓	PM2.5 only
224	Ipswich	East of England	5.3	7.40	—	Yes ✓	PM2.5 only
225	Doncaster	Yorkshire and the Humber	5.3	7.38	—	Yes ✓	PM2.5 + health
226	Castle Point	England	5.3	7.40	—	Yes ✓	PM2.5 only
227	Gedling	England	5.3	7.41	—	Yes ✓	PM2.5 only
228	Wolverhampton	Midlands	5.2	7.40	—	Yes ✓	PM2.5 + health
229	Derby	Midlands	5.2	7.41	—	Yes ✓	PM2.5 + health
230	Norwich	East of England	5.2	7.44	—	Yes ✓	PM2.5 only
231	Kingston upon Hull, City of	Yorkshire and the Humber	5.2	7.44	—	Yes ✓	PM2.5 + health
232	Salford	North West	5.2	7.46	—	Yes ✓	PM2.5 + health
233	Harlow	England	5.1	7.49	—	Yes ✓	PM2.5 only
234	Brentwood	England	5.1	7.50	—	Yes ✓	PM2.5 only
235	Welwyn Hatfield	England	5.1	7.50	—	Yes ✓	PM2.5 only
236	St Albans	England	5.1	7.52	—	Yes ✓	PM2.5 only
237	Oldham	North West	5.1	7.51	—	Yes ✓	PM2.5 + health
238	Coventry	Midlands	5.1	7.52	—	Yes ✓	PM2.5 + health
239	Rotherham	Yorkshire and the Humber	5.1	7.52	—	Yes ✓	PM2.5 + health
240	Luton	East of England	5.0	7.57	—	Yes ✓	PM2.5 + health
241	Basildon	England	5.0	7.59	—	Yes ✓	PM2.5 only
242	Runnymede	England	5.0	7.59	—	Yes ✓	PM2.5 only
243	Broxbourne	England	5.0	7.61	—	Yes ✓	PM2.5 only
244	Three Rivers	England	4.9	7.63	—	Yes ✓	PM2.5 only
245	Tameside	North West	4.9	7.61	—	Yes ✓	PM2.5 + health
246	Medway	England	4.9	7.66	—	Yes ✓	PM2.5 + health
247	Gravesham	England	4.8	7.69	—	Yes ✓	PM2.5 only
248	Elmbridge	England	4.8	7.69	—	Yes ✓	PM2.5 only
249	Nottingham	Midlands	4.8	7.69	—	Yes ✓	PM2.5 + health
250	Manchester	North West	4.8	7.71	—	Yes ✓	PM2.5 + health
251	Epsom and Ewell	England	4.8	7.74	—	Yes ✓	PM2.5 only
252	Epping Forest	England	4.8	7.75	—	Yes ✓	PM2.5 only
253	Lincoln	Midlands	4.7	7.78	—	Yes ✓	PM2.5 only
254	Watford	England	4.7	7.79	—	Yes ✓	PM2.5 only
255	Hertsmere	England	4.7	7.80	—	Yes ✓	PM2.5 only
256	Spelthorne	England	4.6	7.85	—	Yes ✓	PM2.5 only
257	Slough	East of England	4.6	7.85	—	Yes ✓	PM2.5 + health
258	Birmingham	Midlands	4.5	7.89	—	Yes ✓	PM2.5 + health
259	Leicester	Midlands	4.5	7.92	—	Yes ✓	PM2.5 + health
260	Sandwell	Midlands	4.3	8.02	—	Yes ✓	PM2.5 + health
261	Walsall	Midlands	4.3	8.04	—	Yes ✓	PM2.5 + health
262	Thurrock	England	4.3	8.06	—	Yes ✓	PM2.5 + health
263	Dartford	England	4.2	8.14	—	Yes ✓	PM2.5 only
264	Bromley	London	4.2	8.13	—	Yes ✓	PM2.5 + health
265	Hillingdon	London	4.1	8.18	—	Yes ✓	PM2.5 + health
266	Sutton	London	4.1	8.20	—	Yes ✓	PM2.5 + health
267	Havering	London	4.0	8.24	—	Yes ✓	PM2.5 + health
268	Harrow	London	4.0	8.26	—	Yes ✓	PM2.5 + health
269	Kingston upon Thames	London	4.0	8.25	—	Yes ✓	PM2.5 + health
270	Richmond upon Thames	London	3.9	8.33	—	Yes ✓	PM2.5 + health
271	Croydon	London	3.7	8.42	—	Yes ✓	PM2.5 + health
272	Bexley	London	3.6	8.51	—	Yes ✓	PM2.5 + health
273	Enfield	London	3.6	8.52	—	Yes ✓	PM2.5 + health
274	Barnet	London	3.6	8.54	—	Yes ✓	PM2.5 + health
275	Hounslow	London	3.5	8.58	—	Yes ✓	PM2.5 + health
276	Merton	London	3.5	8.61	—	Yes ✓	PM2.5 + health
277	Ealing	London	3.3	8.75	—	Yes ✓	PM2.5 + health
278	Wandsworth	London	3.0	8.89	—	Yes ✓	PM2.5 + health
279	Brent	London	3.0	8.91	—	Yes ✓	PM2.5 + health
280	Haringey	London	3.0	8.94	—	Yes ✓	PM2.5 + health
281	Redbridge	London	2.9	8.97	—	Yes ✓	PM2.5 + health
282	Lewisham	London	2.9	9.02	—	Yes ✓	PM2.5 + health
283	Greenwich	London	2.8	9.07	—	Yes ✓	PM2.5 + health
284	Waltham Forest	London	2.7	9.12	—	Yes ✓	PM2.5 + health
285	Barking and Dagenham	London	2.7	9.13	—	Yes ✓	PM2.5 + health
286	Hammersmith and Fulham	London	2.7	9.15	—	Yes ✓	PM2.5 + health
287	Lambeth	London	2.5	9.28	—	Yes ✓	PM2.5 + health
288	Kensington and Chelsea	London	2.3	9.42	—	Yes ✓	PM2.5 + health
289	Southwark	London	2.1	9.51	—	Yes ✓	PM2.5 + health
290	Camden	London	2.1	9.55	—	Yes ✓	PM2.5 + health
291	Newham	London	1.9	9.64	—	Yes ✓	PM2.5 + health
292	Hackney	London	1.9	9.65	—	Yes ✓	PM2.5 + health
293	Islington	London	1.9	9.69	—	Yes ✓	PM2.5 + health
294	Westminster	London	1.8	9.71	—	Yes ✓	PM2.5 + health
295	Tower Hamlets	London	1.7	9.81	—	Yes ✓	PM2.5 + health
296	City of London	London	0.0	10.96	—	—	PM2.5 + health

Sources: DEFRA Pollution Climate Mapping (PCM) 2024 (popwmpm252024byUKlocalauthority.csv); UKHSA Fingertips indicator 93861, 2024. Open Government Licence v3.0. Full methodology.