Measurement summary based on data provided by the Environment Agency
Latest recorded level 14/08/2019.
An air pollution alert has been issued. Read further details about the alert »
Daily maximum levels for Portsmouth Urban Area
Data shows the daily summary for this region on 14th August 2019
Portsmouth Urban Area is in the South East region
In towns and cities near busier roads
Elsewhere in towns and cities
You can quickly jump to a specific region by choosing from the dropdown list below.