Advisories:
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| County | Site | Units | 8-Hour | Hour Of Day | 1 Hour | Hour Of Day |
|---|---|---|---|---|---|---|
| NIRE | Belfast Centre AURN | µg/m³ | 70.3 | 01 AM | 67.7 | 01 AM |
| NE England | Bradford Apperley Bridge Marina Zephyr | µg/m³ | 77.6 | 06 PM | 80.4 | 05 PM |
| NE England | Bradford Cavendish Prim Sch Hall Rd Zephyr | µg/m³ | 85.8 | 06 PM | 87.2 | 12 PM |
| NE England | Bradford East Bowling Flockton Grove Zephyr | µg/m³ | 74.6 | 08 PM | 82 | 07 PM |
| NE England | Bradford Girlington St Leonards Road Zephyr | µg/m³ | 78.6 | 06 PM | 84 | 12 PM |
| NE England | Bradford Gt Horton All Saints Prim Sch Zephyr | µg/m³ | 75.3 | 06 PM | 84 | 12 PM |
| NE England | Bradford Horton Aberdeen Place Zephyr | µg/m³ | 85.9 | 05 PM | 91 | 11 AM |
| NE England | Bradford Ilkley Grove Road Zephyr | µg/m³ | 77.6 | 06 PM | 80.7 | 02 PM |
| NE England | Bradford Keighley Zephyr | µg/m³ | 60.2 | 06 PM | 62.3 | 06 PM |
| NE England | Bradford Low Moor First Street Zephyr | µg/m³ | 69.9 | 06 PM | 72.8 | 12 PM |
| NE England | Bradford Saltaire Titus Street Zephyr | µg/m³ | 72.4 | 06 PM | 74.8 | 02 PM |
| NE England | Bradford Silsden Hothfield Street Zephyr | µg/m³ | 68.1 | 06 PM | 72.6 | 01 PM |
| SW England | Bristol St Paul's AURN | µg/m³ | 84 | 08 PM | 92.4 | 06 PM |
| SE England | Canterbury AURN | µg/m³ | 79.8 | 10 PM | 83.6 | 05 PM |
| NE England | Hull Freetown AURN | µg/m³ | 91.2 | 06 PM | 93.8 | 03 PM |
| Midlands | Leicester University AURN | µg/m³ | 80.9 | 04 PM | 83.6 | 11 AM |
| NW England | Liverpool Speke AURN | µg/m³ | 87 | 06 PM | 88.4 | 12 PM |
| London | London Haringey Priory Park South AURN | µg/m³ | ||||
| NE England | Newcastle Centre AURN | µg/m³ | 83.9 | 05 PM | 87.8 | 02 AM |
| NE England | Newcastle Cradlewell Roadside AURN | µg/m³ | ||||
| East Anglia | Norwich Lakenfields AURN | µg/m³ | 85.5 | 05 PM | 88.4 | 03 AM |
| NW England | Nottingham Kenmore Gardens AURN | µg/m³ | 91 | 07 PM | 92 | 04 PM |
| SE England | Portsmouth AURN | µg/m³ | 81.5 | 08 PM | 86 | 05 PM |
| NW England | Preston AURN | µg/m³ | 82 | 04 PM | 85.8 | 01 PM |
| SE England | Reading New Town AURN | µg/m³ | 81.4 | 06 PM | 85.2 | 02 PM |
| SE England | Rochester Stoke AURN | µg/m³ | 84.1 | 05 PM | 86.2 | 02 PM |
| SW England | South Glos Coldharbour Lane A4174 | µg/m³ | 72.2 | 07 PM | 82.8 | 05 PM |
| NE England | South Tyneside Edinburgh Road | µg/m³ | ||||
| SE England | Southampton Centre AURN | µg/m³ | 77.4 | 07 PM | 85.2 | 05 PM |
| Midlands | Stoke-on-Trent Centre AURN | µg/m³ | 75.4 | 05 PM | 78.6 | 04 PM |
| NE England | Sunderland Silksworth AURN CLOSED | µg/m³ | 95.5 | 04 PM | 97.6 | 12 PM |
| SE England | Thurrock AURN | µg/m³ | 84.9 | 03 PM | 88.2 | 02 PM |
| East Anglia | Weybourne AURN | µg/m³ | 99 | 11 PM | 101 | 09 PM |
| NW England | Wirral Tranmere AURN | µg/m³ | 92.4 | 08 PM | 94.6 | 05 PM |
