Advisories:
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| County | Site | Units | 8-Hour | Hour Of Day | 1 Hour | Hour Of Day |
|---|---|---|---|---|---|---|
| NIRE | Belfast Centre AURN | µg/m³ | 45.3 | 01 AM | 45.3 | 01 AM |
| NE England | Bradford Apperley Bridge Marina Zephyr | µg/m³ | 55.8 | 09 PM | 63.5 | 05 PM |
| NE England | Bradford Cavendish Prim Sch Hall Rd Zephyr | µg/m³ | 49.8 | 01 AM | 50.9 | 05 PM |
| NE England | Bradford East Bowling Flockton Grove Zephyr | µg/m³ | 53.5 | 07 PM | 59.9 | 02 PM |
| NE England | Bradford Farfield Prim Sch Reevy Cres Zephyr | µg/m³ | 36.2 | 07 PM | 38.9 | 05 PM |
| NE England | Bradford Girlington St Leonards Road Zephyr | µg/m³ | 51.1 | 06 AM | 54.9 | 03 AM |
| NE England | Bradford Gt Horton All Saints Prim Sch Zephyr | µg/m³ | 41.7 | 01 AM | 48.1 | 02 PM |
| NE England | Bradford Horton Aberdeen Place Zephyr | µg/m³ | 48 | 05 AM | 51.1 | 03 AM |
| NE England | Bradford Ilkley Grove Road Zephyr | µg/m³ | 41.8 | 06 PM | 45.1 | 01 PM |
| NE England | Bradford Keighley Zephyr | µg/m³ | 40.1 | 04 AM | 44.3 | 03 AM |
| NE England | Bradford Low Moor First Street Zephyr | µg/m³ | 31.2 | 01 AM | 30.7 | 01 AM |
| NE England | Bradford Saltaire Titus Street Zephyr | µg/m³ | 40.1 | 01 AM | 41.1 | 11 AM |
| NE England | Bradford Silsden Hothfield Street Zephyr | µg/m³ | 36 | 07 PM | 39.3 | 01 PM |
| SW England | Bristol St Paul's AURN | µg/m³ | 78 | 08 PM | 80.8 | 05 PM |
| SE England | Canterbury AURN CLOSED | µg/m³ | 78.5 | 07 PM | 85 | 05 PM |
| NE England | Hull Freetown AURN | µg/m³ | 46.9 | 06 PM | 51.7 | 01 PM |
| Midlands | Leicester University AURN | µg/m³ | 55.1 | 08 PM | 64.3 | 06 PM |
| NW England | Liverpool Speke AURN | µg/m³ | 57.4 | 01 AM | 57.3 | 01 AM |
| London | London Haringey Priory Park South AURN | µg/m³ | ||||
| NE England | Newcastle Centre AURN | µg/m³ | 52.9 | 01 AM | 61.3 | 03 PM |
| NE England | Newcastle Cradlewell Roadside AURN | µg/m³ | ||||
| East Anglia | Norwich Lakenfields AURN | µg/m³ | 80.9 | 07 PM | 85.6 | 05 PM |
| NW England | Nottingham Kenmore Gardens AURN | µg/m³ | 55 | 01 AM | 55 | 05 PM |
| SE England | Portsmouth AURN | µg/m³ | 75.5 | 11 PM | 84.4 | 05 PM |
| NW England | Preston AURN | µg/m³ | 49.7 | 05 PM | 53.3 | 02 PM |
| SE England | Reading New Town AURN | µg/m³ | 63.7 | 06 PM | 70.4 | 03 PM |
| SE England | Rochester Stoke AURN | µg/m³ | 81.1 | 06 PM | 85.6 | 04 PM |
| SW England | South Glos Coldharbour Lane A4174 | µg/m³ | 74.7 | 08 PM | 77.6 | 07 PM |
| NE England | South Tyneside Edinburgh Road | µg/m³ | ||||
| SE England | Southampton Centre AURN | µg/m³ | 68.6 | 08 PM | 73.6 | 06 PM |
| Midlands | Stoke-on-Trent Centre AURN | µg/m³ | 54.2 | 08 PM | 59.1 | 02 PM |
| NE England | Sunderland Silksworth AURN | µg/m³ | 53.3 | 07 PM | 57.3 | 04 PM |
| SE England | Thurrock AURN | µg/m³ | 81.4 | 06 PM | 89.2 | 03 PM |
| East Anglia | Weybourne AURN | µg/m³ | 78.6 | 10 PM | 85 | 06 PM |
| NW England | Wirral Tranmere AURN | µg/m³ | 56.9 | 01 AM | 56.1 | 01 AM |
