Advisories:
.png)
.png)
| County | Site | Units | 8-Hour | Hour Of Day | 1 Hour | Hour Of Day |
|---|---|---|---|---|---|---|
| NIRE | Belfast Centre AURN | µg/m³ | 89.8 | 01 AM | 98 | 07 PM |
| SW England | Bristol St Paul's AURN | µg/m³ | 83.5 | 01 AM | 82 | 03 AM |
| SE England | Canterbury AURN | µg/m³ | 86.3 | 01 AM | 80 | 05 AM |
| NE England | Hull Freetown AURN | µg/m³ | 83.3 | 03 AM | 86 | 03 AM |
| Midlands | Leicester University AURN | µg/m³ | 81.5 | 08 PM | 90 | 03 PM |
| NW England | Liverpool Speke AURN | µg/m³ | 91 | 08 PM | 100 | 03 PM |
| London | London Haringey Priory Park South AURN | µg/m³ | 83.3 | 01 AM | 72 | 01 AM |
| NE England | Newcastle Centre AURN | µg/m³ | 86.5 | 08 PM | 90 | 07 PM |
| NE England | Newcastle Cradlewell Roadside AURN | µg/m³ | ||||
| East Anglia | Norwich Lakenfields AURN | µg/m³ | 85.8 | 01 AM | 84 | 03 AM |
| Midlands | Nottingham Centre AURN CLOSED | µg/m³ | 82 | 01 AM | 82 | 01 AM |
| SE England | Portsmouth AURN | µg/m³ | 71.5 | 01 AM | 66 | 01 AM |
| NW England | Preston AURN | µg/m³ | 91 | 06 PM | 98 | 04 PM |
| SE England | Reading New Town AURN | µg/m³ | ||||
| SE England | Rochester Stoke AURN | µg/m³ | 95.8 | 01 AM | 98 | 05 PM |
| NE England | South Tyneside Edinburgh Road | µg/m³ | ||||
| SE England | Southampton Centre AURN | µg/m³ | 70.3 | 01 AM | 62 | 04 AM |
| Midlands | Stoke-on-Trent Centre AURN | µg/m³ | 81.8 | 01 AM | 88 | 02 PM |
| NE England | Sunderland Silksworth AURN CLOSED | µg/m³ | 93.5 | 06 PM | 98 | 02 PM |
| SE England | Thurrock AURN | µg/m³ | ||||
| East Anglia | Weybourne AURN | µg/m³ | 94.8 | 01 AM | 96 | 01 PM |
| NW England | Wirral Tranmere AURN | µg/m³ | 100 | 09 PM | 108 | 03 PM |
