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Air Quality Information Bulletin - 21st June 2017

News published: 21/06/2017

A high pressure system persisting over the UK has brought warm and still conditions, resulting in increased ground level ozone. The following sites have exceeded the EU ozone public information threshold of 180µg/m3:

London Harlington (181 ug/m3) - 16:00 BST

Northampton Spring Park (186 ug/m3) - 16:00 BST

London Harlington (181 ug/m3) - 17:00 BST

Northampton Spring Park (195 ug/m3) - 17:00 BST

Brighton Preston Park (185 ug/m3) - 18:00 BST

Lullington Heath (186 ug/m3) - 18:00 BST

Northampton Spring Park (207 ug/m3) - 18:00 BST

London North Kensington (185 ug/m3) - 18:00 BST

London North Kensington (189 ug/m3) - 19:00 BST

Lullington Heath (201 ug/m3) - 19:00 BST

Northampton Spring Park (196 ug/m3) - 19:00 BST

Lullington Heath (183 ug/m3) - 20:00 BST

Public Health England advises that some people are more sensitive to ozone than others and may begin to notice an effect on their breathing. People with asthma are not necessarily more sensitive but, if affected, can use their 'reliever' inhaler to alleviate symptoms.

If affected, people are urged to take sensible precautions. In particular, avoiding exercise outdoors in the afternoon can reduce individual exposure to ozone.

If the legal threshold for ozone is again breached, further alerts will be issued on our UK-AIR website http://uk-air.defra.gov.uk/

Forecasts, latest measurements and health advice are available on UK-AIR and via Defra's freephone helpline (0800 556677). Updates on current and forecast levels of air pollution can also be found on Twitter (@DefraUKAir).

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