Osgoi'r dudalen lywio [Bysell Gyrchu S]
Index 1 to 3 Isel (1-3) Index 7 to 9 Uchel (7-9)
Index 4 to 6 Cymedrol (4-6) Index 10 Uchel Iawn (10)
No Data Dim Data » Esboniad
Gweld crynodeb llygredd o bob safle monitro
  Lawrlwythwch haen KMZ i weld lefelau llygredd ar Google Earth

Llwytho...
Safle Cyfenwad:
Math o Safle:
I'r dwyrain, I'r gogledd: 274900, 192600
I'r gogledd, I'r dwyrain: 51.618280, -3.808355
Cyf Grid OS: SS749926
Cyfeiriad:
Sylwadau am y Safle: (LA site ref.:)

Rhwydwaith Monitro: Monitro Llygredd Hydrocarbonau Awtomatig Cymru
Paramedr Dyddiad Cychwyn Dyddiad Gorffen
iso-pentan 04/01/2002 30/12/2002 
mp-Sylen 04/01/2002 30/12/2002 
n-bwtan 04/01/2002 30/12/2002 
n-heptan 04/01/2002 30/12/2002 
n-hecsan 04/01/2002 30/12/2002 
n-pentan 04/01/2002 30/12/2002 
o-Sylen 04/01/2002 30/12/2002 
trans-2-bwtan 04/01/2002 30/12/2002 
trans-2-penten 04/01/2002 30/12/2002 
1,2,4-trimethylbensen 04/01/2002 30/12/2002 
1,3,5-trimethylbensen 04/01/2002 30/12/2002 
1,3-Biwtaden 04/01/2002 30/12/2002 
2-methylpentân 04/01/2002 30/12/2002 
3-methylpentân 04/01/2002 30/12/2002 
Bensen 04/01/2002 30/12/2002 
1-bwten 04/01/2002 30/12/2002 
ethan 04/01/2002 30/12/2002 
Ethyl Bensen 04/01/2002 30/12/2002 
ethen 04/01/2002 30/12/2002 
ethyn 04/01/2002 30/12/2002 
isopren 04/01/2002 30/12/2002 
propan 04/01/2002 30/12/2002 
propen 04/01/2002 30/12/2002 
Tolwen 04/01/2002 30/12/2002 
cis-2-bwtan 04/01/2002 30/12/2002 
cis-2-penten 04/01/2002 30/12/2002 
iso-bwtan 04/01/2002 30/12/2002 

Download data in csv format

Y Newyddion Diweddaraf

Welsh Air Quality Forum Annual Seminar Thursday 12 October, Caerphilly Council Chamber at Penallta House
Dyddiad Cyhoeddi: 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)

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Adroddiad Diweddaraf

New Annual Report for 2016 published
Dyddiad Cyhoeddi: 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)

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Y Seminar Diweddaraf

WAQF 2017 Seminar: Policies introduction to NO2 plans and Clean Air Zones and Regional and Local Measures
Dyddiad Cyhoeddi: 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

Mwy