Font size too small?   Increase Font size | Decrease font size | See other Accessibility Options.
Index Banded Annual Totals for Swansea:
LOW
82 days
MODERATE
44 days
HIGH
11 days
VERY HIGH
8 days

Frequently asked questions

How do you measure air pollution?

Three main methods are available to measure air pollution:

 

 All of these techniques outlined above are employed in the air quality monitoring undertaken in Swansea.

Pollution glossary: