Here is the pdf presentation file. A youtube video of the webinar is also available. Discussion starts after about 21 minutes into the video.
Citations:
We also provide the following materials.
        NO2 |         O3 |       PM10 |       PM2.5 | |
Annual 1 km air quality | ||||
Daily 1 km air quality | ||||
Annual local authority air quality | ||||
Daily local authority air quality |