Crynodeb 24 Awr

Dangosir y crynodiadau llygryddion uchaf a fesurwyd yn ystod y 24 awr diwethaf ledled Cymru isod. Mae graffiau cryno yn dangos y saith diwrnod diwethaf ar gael ar gyfer pob llygrydd yng ngholofn chwith y tabl.

Site 8 Hour mean
Ozone
µgm-3
Hourly mean
Nitrogen dioxide
µgm-3
Max 15 min mean
Sulphur dioxide
µgm-3
Running 24 Hour mean
PM2.5
Particles
µgm-3
Running 24 Hour mean
PM10
Particles
µgm-3
Anglesey Brynteg
Not measured Not measured Not measured 2
Isel (1)
4
Isel (1)
Anglesey Llynfaes
Not measured Not measured Not measured 1
Isel (1)
1
Isel (1)
Anglesey Penhesgyn 3
Not measured Not measured Not measured 2
Isel (1)
4
Isel (1)
Aston Hill
75
Isel (3)
3
Isel (1)
Not measured Not measured Not measured
Bridgend Park Street
Not measured Not measured Not measured Not measured Not measured
Caerphilly Blackwood High Street
Not measured 75
Isel (2)
Not measured Not measured 17
Isel (2)
Caerphilly Fochriw
Not measured Not measured Not measured Not measured Not measured
Caerphilly Islwyn Road Wattsville
Not measured 54
Isel (1)
Not measured Not measured Not measured
Caerphilly White Street
Not measured 87
Isel (2)
Not measured Not measured 20
Isel (2)
Cardiff Castle Street
Not measured 81
Isel (2)
Not measured 14
Isel (2)
21
Isel (2)
Cardiff Centre
35
Isel (2)
52
Isel (1)
3
Isel (1)
13
Isel (2)
15
Isel (1)
Cardiff Newport Road
Not measured 85
Isel (2)
Not measured Not measured 21
Isel (2)
Chepstow A48
Not measured 94
Isel (2)
Not measured 13
Isel (2)
20
Isel (2)
Cimla Road / Victoria Gardens
Not measured 83
Isel (2)
Not measured Not measured Not measured
Cwmbran Crownbridge
28
Isel (1)
72
Isel (2)
Not measured Not measured 19
Isel (2)
Hafod-yr-ynys Roadside
Not measured 93
Isel (2)
Not measured Not measured Not measured
Marchlyn Mawr
79
Isel (3)
2
Isel (1)
Not measured Not measured Not measured
Nantgarw Road
Not measured 67
Isel (1)
Not measured Not measured Not measured
Narberth
77
Isel (3)
8
Isel (1)
3
Isel (1)
5
Isel (1)
7
Isel (1)
Newport M4 Junction 25
7
Isel (1)
88
Isel (2)
Not measured Not measured Not measured
Newport St Julians Comp School
Not measured 70
Isel (2)
Not measured 15
Isel (2)
18
Isel (2)
Port Talbot Dyffryn School
Not measured Not measured Not measured Not measured Not measured
Port Talbot Little Warren
Not measured Not measured Not measured Not measured Not measured
Port Talbot Margam
62
Isel (2)
42
Isel (1)
2
Isel (1)
8
Isel (1)
13
Isel (1)
Port Talbot Prince Street 2
Not measured Not measured Not measured 8
Isel (1)
13
Isel (1)
Port Talbot Twll-yn-y-Wal Park
Not measured Not measured Not measured Not measured Not measured
Rhondda Glyncoch Garth Avenue
Not measured Not measured Not measured Not measured 12
Isel (1)
Rhondda Mountain Ash
Not measured Not measured Not measured Not measured Not measured
Rhondda Pontypridd Gelliwastad Rd
Not measured 119
Isel (2)
Not measured Not measured Not measured
Rhondda-Cynon-Taf Broadway
Not measured 64
Isel (1)
Not measured Not measured Not measured
Swansea Cwm Level Park
Not measured Not measured Not measured Not measured Not measured
Swansea Hafod DOAS
Not measured Not measured Not measured Not measured Not measured
Swansea Morfa Road NOX
Not measured Not measured Not measured Not measured Not measured
Swansea Morriston Roadside
Not measured Not measured Not measured Not measured Not measured
Swansea Port Tennant Roadside
Not measured Not measured Not measured Not measured Not measured
Swansea Roadside
Not measured Not measured Not measured Not measured Not measured
Swansea St Thomas DOAS
Not measured Not measured Not measured Not measured Not measured
Swansea Station Court High Street
Not measured Not measured Not measured Not measured Not measured
Twynyrodyn
Not measured Not measured Not measured Not measured Not measured
Wrexham
Not measured 26
Isel (1)
3
Isel (1)
5
Isel (1)
7
Isel (1)
Wrexham Chirk
Not measured 53
Isel (1)
Not measured No Data No Data
Wrexham Chirk Community Hospital
Not measured 27
Isel (1)
Not measured 3
Isel (1)
5
Isel (1)