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Caerphilly Islwyn Road Wattsville


Latest Data:  Updated 22/03/2018 15:00 GMT

Parameter Index Band Concentration Period
NO2 1 Low 47 µg/m3 Hourly mean
NO not applicable 28 µg/m3 Hourly mean
NOXasNO2 not applicable 91 µg/m3 Hourly mean

Note: Values are based on provisional data. Data are GMT hour ending.

For more information on this monitoring data please contact this local authority at

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Latest News

Welsh Air Quality Forum Annual Seminar Thursday 12 October, Caerphilly Council Chamber at Penallta House
Published Date: 14/09/2017

We are pleased to announce this years Welsh Air Quality Forum will take place on Thursday 12th October, Caerphilly Council...

» Conference Booking Form (pdf)
» Final Agenda (pdf)

More News

Latest Report

New Annual Report for 2016 published
Published Date: 06/11/2017

We are pleased to announce the release of the latest annual air quality report for Wales.

The report covers the...

» Download 2016 Annual Report - English (pdf)
» Download 2016 Annual Report - Welsh (pdf)

More Reports

Latest Seminar

WAQF 2017 Seminar: Policies introduction to NO2 plans and Clean Air Zones and Regional and Local Measures
Published Date: 19/10/2017

The 2017 Annual Air Quality Seminar was held on the 12th October at Caerphilly Council Chamber at Penallta House. The...

» Programme (pdf)
» Local Authority progress reports - an experience from Caerphilly (pdf)
By Maria Godfrey, Caerphilly
» Implementing Clean Air Zones (pdf)
By Beth Conlan, Ricardo Energy & Environment
» Remote sensing of vehicle emissions (pdf)
By Rebecca Rose, Ricardo Energy & Environment
» Making a Difference, cost effectiveness of interventions (pdf)
By Charlotte Grey, Public Health Wales
» Does vegetation reduce air pollution? (pdf)
By Laurence Jones, Centre for Ecology & Hydrology
» Living streets - walking schools (pdf)
By Rachel Maycock, Living Streets
» Measured roadside AQ improvements after the introduction of low emission buses (pdf)
By Dr Tim Barlow, TRL

More Seminars