Cleanest air in London
London’s 33 areas ranked by air quality — no₂ — cleanest air. Every figure from DEFRA air quality + EA Flood Map for Planning, 2023–24. Indicative, not a valuation.
| # | Area | Air quality — NO₂ (µg/m³) |
|---|---|---|
| 1 | Bromley | 13.0 |
| 2 | Havering | 13.3 |
| 3 | Sutton | 13.6 |
| 4 | Croydon | 14.1 |
| 5 | Bexley | 14.1 |
| 6 | Harrow | 14.3 |
| 7 | Kingston upon Thames | 15.2 |
| 8 | Hillingdon | 15.3 |
| 9 | Enfield | 15.5 |
| 10 | Barnet | 15.8 |
| 11 | Richmond upon Thames | 16.0 |
| 12 | Merton | 16.1 |
| 13 | Barking and Dagenham | 16.7 |
| 14 | Redbridge | 16.7 |
| 15 | Ealing | 17.6 |
| 16 | Hounslow | 17.6 |
| 17 | Lewisham | 17.8 |
| 18 | Greenwich | 17.8 |
| 19 | Waltham Forest | 18.2 |
| 20 | Brent | 18.5 |
| 21 | Haringey | 18.5 |
| 22 | Wandsworth | 18.8 |
| 23 | Newham | 20.3 |
| 24 | Lambeth | 20.3 |
| 25 | Hammersmith and Fulham | 20.3 |
| 26 | Southwark | 22.8 |
| 27 | Hackney | 23.0 |
| 28 | Kensington and Chelsea | 23.7 |
| 29 | Tower Hamlets | 24.3 |
| 30 | Islington | 25.5 |
| 31 | Camden | 26.4 |
| 32 | Westminster | 28.2 |
| 33 | City of London | 32.2 |
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 — PM2.5Flood risk (in a flood zone)Life satisfactionUnemployment rateHome ownershipDegree-level educationResidents in good healthMedian age