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Sunday, 
County Site Units 8-Hour Hour Of Day 1 Hour Hour Of Day
NIRE Belfast Centre AURN µg/m³ 51.4 07 PM 69.6 05 PM
NE England Bradford Apperley Bridge Marina Zephyr µg/m³ 54.1 09 PM 64.5 04 PM
NE England Bradford Cavendish Prim Sch Hall Rd Zephyr µg/m³ 53.8 10 PM 63.3 04 PM
NE England Bradford East Bowling Flockton Grove Zephyr µg/m³ 47 10 PM 59.9 03 PM
NE England Bradford Farfield Prim Sch Reevy Cres Zephyr µg/m³ 37.2 09 PM 44.3 04 PM
NE England Bradford Girlington St Leonards Road Zephyr µg/m³ 55.1 10 PM 67.3 03 PM
NE England Bradford Gt Horton All Saints Prim Sch Zephyr µg/m³ 44.8 12 AM 55.3 03 PM
NE England Bradford Horton Aberdeen Place Zephyr µg/m³ 44.8 07 PM 55.5 03 PM
NE England Bradford Ilkley Grove Road Zephyr µg/m³ 33.9 11 PM 41.9 04 PM
NE England Bradford Keighley Zephyr µg/m³ 38.6 10 PM 47.5 03 PM
NE England Bradford Low Moor First Street Zephyr µg/m³ 36 10 PM 41.5 04 PM
NE England Bradford Saltaire Titus Street Zephyr µg/m³ 45.2 10 PM 51.5 04 PM
NE England Bradford Silsden Hothfield Street Zephyr µg/m³ 33.3 09 PM 43.5 03 PM
SW England Bristol St Paul's AURN µg/m³ 57.2 08 PM 60.5 07 PM
SE England Canterbury AURN CLOSED µg/m³ 52.2 06 PM 61.1 03 PM
NE England Hull Freetown AURN µg/m³ 56.7 01 PM 61.1 11 AM
Midlands Leicester University AURN µg/m³ 43.8 07 AM 65.3 03 AM
NW England Liverpool Speke AURN µg/m³ 51.7 08 PM 59.5 12 AM
London London Haringey Priory Park South AURN µg/m³
NE England Newcastle Centre AURN µg/m³ 39.7 11 PM 53.1 05 PM
NE England Newcastle Cradlewell Roadside AURN µg/m³
East Anglia Norwich Lakenfields AURN µg/m³ 73.5 09 AM 77.4 06 AM
NW England Nottingham Kenmore Gardens AURN µg/m³ 44 07 PM 55 04 PM
SE England Portsmouth AURN µg/m³ 52.4 07 PM 56.9 04 PM
NW England Preston AURN µg/m³ 48.8 12 AM 54.7 02 PM
SE England Reading New Town AURN µg/m³ 43.6 07 PM 52.7 03 PM
SE England Rochester Stoke AURN µg/m³ 63.7 01 AM 71.8 12 PM
SW England South Glos Coldharbour Lane A4174 µg/m³ 54.8 01 AM 58.7 10 PM
NE England South Tyneside Edinburgh Road µg/m³
SE England Southampton Centre AURN µg/m³ 53.2 07 PM 60.3 03 PM
Midlands Stoke-on-Trent Centre AURN µg/m³ 43.3 12 AM 56.9 11 PM
NE England Sunderland Silksworth AURN µg/m³ 44.4 12 AM 64.3 12 AM
SE England Thurrock AURN µg/m³ 47.2 01 AM 52.7 02 PM
East Anglia Weybourne AURN µg/m³ 76.6 09 AM 80.8 04 AM
NW England Wirral Tranmere AURN µg/m³ 52.7 07 PM 60.9 11 PM