Air quality in Glasgow has improved in the past year but two parts of the city are still failing to meet government guidelines.

Previous reviews found high levels of pollutants nitrogen dioxide and particulate matter which are associated with traffic emissions.

The city previously declared the city centre, Parkhead Cross, Byres Road and Dumbarton Road and city wide air quality management areas.

The citywide order has now been scrapped following a reduction in pollution across the city.

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But levels of the two pollutants remain high in the city centre and on part of Dumbarton Road.

A report to city councillors says: "Glasgow continues to have good air quality with the majority of the city meeting all air quality targets.

"Levels of nitrogen dioxide in parts of the city centre, while generally improving, remain unsatisfactory.

"Outside the city centre there was only one monitoring location - part of Dumbarton Road - where levels of nitrogen dioxide were found to be unsatisfactory.

"Parkhead Cross has now met the nitrogen dioxide objective for five consecutive years and as a result, work will now commence to revoke this air quality management area.

"Air quality in Glasgow continues to improve with 95% of the city meeting all air quality targets.

"However there remain areas of the city, for example high rise buildings on narrow streets, where combined with the volume of predominantly diesel powered traffic, results in unsatisfactory air quality.

"The council is continuing with its programme of innovative air quality projects to reduce levels of air pollution in the city and engaging with external agencies to find new ways of improving air quality and the environment in general."

The measures introduced in the city to improve air quality include vehicle emissions enforcement, the city's first all electric bus route, car clubs and plans to plant new trees in the city centre.

The mass bike hire scheme is also seen as an effective way of tackling air pollution.

Elaine McDougall, the council's transport, environment and sustainability spokeswoman said: "Glasgow has set a target of being one of the most sustainable cities in Europe and we take our responsibility to monitor air quality very seriously.

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"While it is evident we are making good progress, we recognise there is more to be done.

"The fact we are in a position to start the revocation process for Parkhead Cross air quality management area underlines our commitment to improving Glasgow's air quality."