Advisories:
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| County | Site | Units | 8-Hour | Hour Of Day | 1 Hour | Hour Of Day |
|---|---|---|---|---|---|---|
| NIRE | Belfast Centre AURN | µg/m³ | 72 | 07 PM | 77.6 | 02 PM |
| NE England | Bradford Apperley Bridge Marina Zephyr | µg/m³ | 75.4 | 04 PM | 87.8 | 03 PM |
| NE England | Bradford Cavendish Prim Sch Hall Rd Zephyr | µg/m³ | 80.8 | 05 PM | 84.2 | 01 PM |
| NE England | Bradford East Bowling Flockton Grove Zephyr | µg/m³ | 69.9 | 05 PM | 83.8 | 04 PM |
| NE England | Bradford Girlington St Leonards Road Zephyr | µg/m³ | 74.2 | 05 PM | 81.3 | 01 PM |
| NE England | Bradford Gt Horton All Saints Prim Sch Zephyr | µg/m³ | 71.5 | 04 PM | 83 | 02 PM |
| NE England | Bradford Horton Aberdeen Place Zephyr | µg/m³ | 82.4 | 04 PM | 91.6 | 12 PM |
| NE England | Bradford Ilkley Grove Road Zephyr | µg/m³ | 75.2 | 06 PM | 84.2 | 02 PM |
| NE England | Bradford Keighley Zephyr | µg/m³ | 56.2 | 05 PM | 62.1 | 12 PM |
| NE England | Bradford Low Moor First Street Zephyr | µg/m³ | 65.3 | 05 PM | 72.4 | 01 PM |
| NE England | Bradford Saltaire Titus Street Zephyr | µg/m³ | 69.3 | 05 PM | 76.6 | 03 PM |
| NE England | Bradford Silsden Hothfield Street Zephyr | µg/m³ | 60.9 | 05 PM | 69.8 | 02 PM |
| SW England | Bristol St Paul's AURN | µg/m³ | 76.8 | 07 PM | 82 | 06 PM |
| SE England | Canterbury AURN | µg/m³ | 90.8 | 08 PM | 95.4 | 04 PM |
| NE England | Hull Freetown AURN | µg/m³ | 84.1 | 06 PM | 87.2 | 06 PM |
| Midlands | Leicester University AURN | µg/m³ | 93.2 | 06 PM | 96.8 | 01 PM |
| NW England | Liverpool Speke AURN | µg/m³ | 84.5 | 06 PM | 90.8 | 05 PM |
| London | London Haringey Priory Park South AURN | µg/m³ | ||||
| NE England | Newcastle Centre AURN | µg/m³ | 89.6 | 07 PM | 92.4 | 03 PM |
| NE England | Newcastle Cradlewell Roadside AURN | µg/m³ | ||||
| East Anglia | Norwich Lakenfields AURN | µg/m³ | 82.6 | 04 PM | 88.6 | 02 PM |
| NW England | Nottingham Kenmore Gardens AURN | µg/m³ | 88 | 05 PM | 91 | 04 PM |
| SE England | Portsmouth AURN | µg/m³ | 75.5 | 07 PM | 80.2 | 05 PM |
| NW England | Preston AURN | µg/m³ | 82.5 | 05 PM | 84.4 | 12 PM |
| SE England | Reading New Town AURN | µg/m³ | 72.6 | 07 PM | 77.8 | 02 PM |
| SE England | Rochester Stoke AURN | µg/m³ | 89.7 | 09 PM | 96.8 | 04 PM |
| SW England | South Glos Coldharbour Lane A4174 | µg/m³ | 76.7 | 07 PM | 82 | 02 PM |
| NE England | South Tyneside Edinburgh Road | µg/m³ | ||||
| SE England | Southampton Centre AURN | µg/m³ | 52.9 | 06 PM | 68.5 | 12 AM |
| Midlands | Stoke-on-Trent Centre AURN | µg/m³ | 80.8 | 04 PM | 84 | 09 AM |
| NE England | Sunderland Silksworth AURN CLOSED | µg/m³ | 91.4 | 05 PM | 94.8 | 01 PM |
| SE England | Thurrock AURN | µg/m³ | 86.3 | 09 PM | 90.6 | 06 PM |
| East Anglia | Weybourne AURN | µg/m³ | 94.6 | 11 PM | 96.2 | 10 PM |
| NW England | Wirral Tranmere AURN | µg/m³ | 86.5 | 04 PM | 88.4 | 03 PM |
