Data selector

Download all the data collected from our monitoring network! 

Download air quality data

​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​Please Note: Nitrogen Dioxide Diffusion Tube data will not be available for the current year. A complete calendar years’ worth of data is required. When using the data selector tool you can only select 5 years’ worth of data at one time.