Air quality monitoring data in York can be viewed in real-time at the Air Quality England website.
This page includes a daily Air Quality Index (AQI) value for various locations in York.
The Air Quality Index is a number used to communicate to the public how polluted the air currently is, or how polluted it is forecast to become.
Find out more about the Air Quality Index and recommended health advice for specific bandings here.
Air pollution forecasts for the rest of the UK are produced on a daily basis by the Met Office and are available on Defra’s UK-Air website.
Diffusion Tube Monitoring Data
The latest diffusion tube monitoring results for the City of York Council area (2020) can be viewed on the map below. Results are bias-corrected and expressed in micrograms per cubic metre (ug/m3). Tubes are colour coded using the following key: Green <= 34.4 ug/m3, Amber 34.5 – 39.4 ug/m3, Red >= 39.5 ug/m3. Purple dots with a cross indicate historical monitoring locations. Further information about each site can be viewed by clicking on the diffusion tube and scrolling through the table of information.