This map shows the maxiumum daily readings downloaded from LAQN pollution analysers during the episode, in and around Reading. . Note that you can see each daily bulletin using the archive on the bulletin tab, and can also see animations and text explanations (if available) by selecting a different map view.
You can find out more information about levels recorded at each location (monitoring site) by clicking on its dot.
Alternatively, select a different map view by using the drop down box below: