Advisories:
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| County | Site | Units | 8-Hour | Hour Of Day | 1 Hour | Hour Of Day |
|---|---|---|---|---|---|---|
| NIRE | Belfast Centre AURN | µg/m³ | 61.3 | 03 AM | 69.3 | 12 PM |
| NE England | Bradford Apperley Bridge Marina Zephyr | µg/m³ | 70.4 | 09 PM | 83.6 | 04 PM |
| NE England | Bradford Cavendish Prim Sch Hall Rd Zephyr | µg/m³ | 75.8 | 07 PM | 84.6 | 04 PM |
| NE England | Bradford East Bowling Flockton Grove Zephyr | µg/m³ | 68.3 | 01 AM | 78.2 | 04 PM |
| NE England | Bradford Girlington St Leonards Road Zephyr | µg/m³ | 67.5 | 06 PM | 73.6 | 04 PM |
| NE England | Bradford Gt Horton All Saints Prim Sch Zephyr | µg/m³ | 63.4 | 01 AM | 70 | 01 PM |
| NE England | Bradford Horton Aberdeen Place Zephyr | µg/m³ | 73 | 05 PM | 80.6 | 02 PM |
| NE England | Bradford Ilkley Grove Road Zephyr | µg/m³ | 66.3 | 07 PM | 73.4 | 02 PM |
| NE England | Bradford Keighley Zephyr | µg/m³ | 49.6 | 05 PM | 54.9 | 03 PM |
| NE England | Bradford Low Moor First Street Zephyr | µg/m³ | 55.8 | 07 PM | 62.3 | 04 PM |
| NE England | Bradford Saltaire Titus Street Zephyr | µg/m³ | 62.5 | 08 PM | 69.1 | 04 PM |
| NE England | Bradford Silsden Hothfield Street Zephyr | µg/m³ | 57.1 | 06 PM | 62.3 | 03 PM |
| SW England | Bristol St Paul's AURN | µg/m³ | 69.9 | 04 PM | 81 | 12 PM |
| SE England | Canterbury AURN | µg/m³ | 77.9 | 04 PM | 82 | 12 PM |
| NE England | Hull Freetown AURN | µg/m³ | 84.4 | 08 PM | 86.8 | 06 PM |
| Midlands | Leicester University AURN | µg/m³ | 70.5 | 05 PM | 79.4 | 01 PM |
| NW England | Liverpool Speke AURN | µg/m³ | 80.6 | 06 PM | 82.6 | 01 PM |
| London | London Haringey Priory Park South AURN | µg/m³ | ||||
| NE England | Newcastle Centre AURN | µg/m³ | 84 | 09 PM | 87.2 | 05 PM |
| NE England | Newcastle Cradlewell Roadside AURN | µg/m³ | ||||
| East Anglia | Norwich Lakenfields AURN | µg/m³ | 76.8 | 01 AM | 73 | 02 PM |
| NW England | Nottingham Kenmore Gardens AURN | µg/m³ | 74 | 06 PM | 83 | 11 PM |
| SE England | Portsmouth AURN | µg/m³ | 79.4 | 06 PM | 83.6 | 03 PM |
| NW England | Preston AURN | µg/m³ | 72.3 | 11 AM | 77.2 | 04 PM |
| SE England | Reading New Town AURN | µg/m³ | 62.1 | 04 PM | 72.8 | 11 AM |
| SE England | Rochester Stoke AURN | µg/m³ | 73.6 | 04 PM | 78 | 03 PM |
| SW England | South Glos Coldharbour Lane A4174 | µg/m³ | 67.1 | 05 PM | 74.4 | 12 PM |
| NE England | South Tyneside Edinburgh Road | µg/m³ | ||||
| SE England | Southampton Centre AURN | µg/m³ | 64.9 | 04 PM | 73.4 | 10 AM |
| Midlands | Stoke-on-Trent Centre AURN | µg/m³ | 59.1 | 01 PM | 67.3 | 12 AM |
| NE England | Sunderland Silksworth AURN CLOSED | µg/m³ | 95.7 | 11 PM | 98.4 | 05 PM |
| SE England | Thurrock AURN | µg/m³ | 73.5 | 03 PM | 77 | 08 AM |
| East Anglia | Weybourne AURN | µg/m³ | 93.9 | 01 AM | 94.4 | 10 PM |
| NW England | Wirral Tranmere AURN | µg/m³ | 87 | 07 PM | 88 | 05 PM |
