The number of monitoring sites in each pollution band. Values are based on pollution level measured for the latest hour and are provisional.
1 2 3 Low
4 5 6 Moderate
7 8 9 High
10 Very high
Last updated: 20:00 on Friday 18th January 2019
Find out the latest pollution levels from the monitoring sites near where you live or go to school. Enter a location below to find out
Citizen Science lets you collect and analyse air pollution data as a school project. This enables you to map your school's data.
Find out more
Use the Clean the Air emissions calculator to find out the impact your journey to school has on the environment.