Colour key: Lowest pollution
no current data
Coloured boxes for value and level show latest snapshot data.
A pale grey box indicates that this data is not measured at this location.
A dark grey 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. © 2017 Crown copyright Defra via uk-air.defra.gov.uk, licenced under the Open Government Licence (OGL).