Air Quality Forecast for West Glamorgan

Forecast published on Fri, 14 Mar 2025 06:00:00 +0000.

Values are for predicted maximum pollution levels, ranging from 1 (lowest pollution, best air quality) to 10 (highest pollution, worst air quality).

Colour key: Lowest pollution Highest pollution

Defra monitoring locations are shown by

Location	Today	Tomorrow	Sunday	Monday	Tuesday
Afan Forest	3	3	3	3	3
Bracelet Bay (beach)	3	3	3	3	3
Briton Ferry	3	3	3	3	3
Caswell Bay	3	3	3	3	3
Clydach	3	3	3	3	3
Glyncorrwg Mountain Bike Centre	3	3	3	3	3
Gorseinon	3	3	3	3	3
Gowerton	3	3	3	3	3
Langland Bay (beach)	3	3	3	3	3
Mumbles Head	3	3	3	3	3
Neath	3	3	3	3	3
Neath Abbey	3	3	3	3	3
Oxwich Bay (beach)	3	3	3	3	3
Plantasia Swansea	3	3	3	3	3
Pontardawe	3	3	3	3	3
Pontarddulais	3	3	3	3	3
Pont Nedd Fechan (waterfalls)	3	3	3	3	3
Port Eynon (beach)	3	3	3	3	3
Port Eynon Youth Hostel	3	3	3	3	3
Port Talbot	3	3	3	3	3
Rhossili Bay (beach)	3	3	3	3	3
Swansea	3	3	3	3	3
Swansea City Fc	3	3	3	3	3

Defra Air Quality Monitoring Stations in West Glamorgan

Location	Latest Data Date/Time	Running 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)
		Value	Level	Value	Level	Value	Level	Value	Level	Value	Level
Swansea Roadside	2025-03-14 07:00:00			24	1 Low			4	1 Low	11	1 Low*1
Port Talbot Margam	2025-03-14 07:00:00	40	2 Low	30	1 Low	1	1 Low	3	1 Low	7	1 Low*3

Coloured boxes for value and level show latest snapshot data. A grey box indicates that this data is not measured at this location. A white box indicates that data is normally recorded here, but is missing from the latest snapshot. Follow the links to individual stations for historical data.

Data supplied by the Met Office via Defra. © 2025 Crown copyright Defra via uk-air.defra.gov.uk, licenced under the Open Government Licence (OGL).