You can view and download recent and historical monitoring data from the Scottish Government air quality website:
Know & Respond - Scotland is a free service to subscribers in Scotland that sends registered users an alert message if air pollution in their area is forecast to be moderate, high or very high.
The map below shows the locations of non-automatic NO2 monitoring points in Aberdeen. You can zoom in and out of the map using the plus and minus signs at the top left. Alternatively, you can use the search box at the top right to search for a postcode or street in Aberdeen - this will zoom the map to that location.