2025-05-05 00:00:00 Envista UKAir Quality Now application shows the on-line Air Quality measurements around the UK. The application calculates the Air Quality Index based on UK standards. By pressing one of the dots a dashboard will appear with the latest 30 minute measurement values. By selecting the pollutant required you can generate charts that will show you Today 30 min. values from midnight up to now related to the UK Air quality standard, or a Daily averages for the current month. For the both charts you can page back or forward to display previous day or month.