24 Hour Summary, based on data provided by Environment Agency
Here you can view the detailed data behind the latest measurement summary displayed on UK-AIR, and also a summary of information that has been displayed over the previous 24 hours. The detailed data tabulated below are from monitoring sites within the AURN. Graphs of hourly monitoring data are also available to view as weekly time series. You can also subscribe to this information as an email alert.
- View the legend
- Maximum pollutant levels displayed on UK-AIR for the 24 hour period up to 7am Tue 9th Jun 2026
South East
| 24 Hour Summary, based on data provided by Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Aylesbury A4157 Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | n/m | 09/06/2026 01:00:00 |
| Brighton Preston Park Timeseries Graph |
68 (3 Low) | 7 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 09/06/2026 01:00:00 |
| Chatham Roadside Timeseries Graph |
n/m | 29 (1 Low) | n/m | 4 (1 Low) | 16 (1 Low) *1 | 09/06/2026 02:00:00 |
| Chilbolton Observatory Timeseries Graph |
82 (3 Low) | 3 (1 Low) | 2 (1 Low) | 4 (1 Low) | 7 (1 Low) *2 | 08/06/2026 07:30:00 |
| Eastbourne Timeseries Graph |
76 (3 Low) | 8 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 09/06/2026 01:00:00 |
| Farnborough Cherrywood Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 09/06/2026 01:00:00 |
| Horley Timeseries Graph |
n/m | 33 (1 Low) | n/m | 3 (1 Low) | 8 (1 Low) *2 | 09/06/2026 01:00:00 |
| Lullington Heath Timeseries Graph |
83 (3 Low) | 8 (1 Low) | 3 (1 Low) | 4 (1 Low) | 7 (1 Low) *2 | 08/06/2026 13:30:00 |
| Maidstone Upper Stone Street Timeseries Graph |
n/m | n/m | n/m | 8 (1 Low) | 15 (1 Low) *2 | 09/06/2026 01:00:00 |
| Milton Keynes Civic Centre Timeseries Graph |
67 (3 Low) | n/m | n/m | 4 (1 Low) | 7 (1 Low) *2 | 09/06/2026 01:00:00 |
| Oxford Centre Roadside Timeseries Graph |
n/m | 28 (1 Low) | n/m | n/m | n/m | 08/06/2026 09:00:00 |
| Oxford St Ebbes Timeseries Graph |
66 (2 Low) | 12 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) *2 | 09/06/2026 01:00:00 |
| Portsmouth Timeseries Graph |
70 (3 Low) | 15 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 09/06/2026 01:00:00 |
| Portsmouth Anglesea Road Timeseries Graph |
n/m | 26 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 09/06/2026 01:00:00 |
| Reading London Road Timeseries Graph |
n/m | 23 (1 Low) | n/m | n/m | 12 (1 Low) *1 | 08/06/2026 19:00:00 |
| Reading New Town Timeseries Graph |
60 (2 Low) | 13 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 09/06/2026 01:00:00 |
| Reading Rose Kiln Lane Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | n/m | 09/06/2026 01:00:00 |
| Rochester Stoke Timeseries Graph |
62 (2 Low) | 9 (1 Low) | 1 (1 Low) | 5 (1 Low) | 8 (1 Low) *2 | 08/06/2026 10:45:00 |
| Slough Windmill Bath Road Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 9 (1 Low) *2 | 09/06/2026 01:00:00 |
| Southampton A33 Timeseries Graph |
n/m | 34 (1 Low) | n/m | 4 (1 Low) | 10 (1 Low) *2 | 09/06/2026 01:00:00 |
| Southampton Centre Timeseries Graph |
66 (2 Low) | 24 (1 Low) | 2 (1 Low) | 4 (1 Low) | 9 (1 Low) *2 | 09/06/2026 07:00:00 |
| Storrington Roadside Timeseries Graph |
n/m | 29 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 09/06/2026 05:00:00 |
| Worthing A27 Roadside Timeseries Graph |
n/m | 32 (1 Low) | n/m | 9 (1 Low) | n/m | 09/06/2026 05:00:00 |
| Worthing East Ten Acres Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | 9 (1 Low) *2 | 09/06/2026 01:00:00 |
» View the latest regional summary for this region
Legend
- n/m means that the pollutant is not measured at that site
- n/a means that no data were recorded for the period
- *1: measurements are PM10 BAM 1020 heated
- *2: measurements are PM10 FIDAS
- *3: measurements are PM10 SEQ 47/50