Cleanest air for fine particles in London
London’s 33 areas ranked by air quality — pm2.5 — cleanest air. Every figure from DEFRA air quality + EA Flood Map for Planning, 2023–24. Indicative, not a valuation.
| # | Area | Air quality — PM2.5 (µg/m³) |
|---|---|---|
| 1 | Bromley | 7.5 |
| 2 | Sutton | 7.6 |
| 3 | Croydon | 7.7 |
| 4 | Havering | 7.7 |
| 5 | Hillingdon | 7.8 |
| 6 | Harrow | 7.8 |
| 7 | Kingston upon Thames | 7.8 |
| 8 | Bexley | 7.8 |
| 9 | Richmond upon Thames | 7.8 |
| 10 | Enfield | 8.0 |
| 11 | Merton | 8.0 |
| 12 | Hounslow | 8.0 |
| 13 | Barnet | 8.1 |
| 14 | Ealing | 8.2 |
| 15 | Lewisham | 8.3 |
| 16 | Brent | 8.3 |
| 17 | Barking and Dagenham | 8.3 |
| 18 | Wandsworth | 8.3 |
| 19 | Redbridge | 8.3 |
| 20 | Waltham Forest | 8.4 |
| 21 | Greenwich | 8.4 |
| 22 | Haringey | 8.4 |
| 23 | Hammersmith and Fulham | 8.5 |
| 24 | Lambeth | 8.6 |
| 25 | Newham | 8.8 |
| 26 | Kensington and Chelsea | 8.8 |
| 27 | Hackney | 9.0 |
| 28 | Southwark | 9.0 |
| 29 | Camden | 9.2 |
| 30 | Islington | 9.3 |
| 31 | Tower Hamlets | 9.3 |
| 32 | Westminster | 9.5 |
| 33 | City of London | 9.9 |
Source: DEFRA air quality + EA Flood Map for Planning · 2023–24. Ranked lowest first.
Other London rankings
House prices5-year house-price growthPrice per square metreAffordability (price vs local earnings)Crime rateSchools rated Good or OutstandingGigabit broadband availabilityCouncil tax (Band D)Deprivation (IMD decile, 10 = least deprived)Air quality — NO₂Flood risk (in a flood zone)Life satisfactionUnemployment rateHome ownershipDegree-level educationResidents in good healthMedian age