Real-time graph - Boughton, Chester
The graph below shows monitoring data for NO2over the last seven days at Boughton monitoring station, Chester.
Please note: we are currently unable to display all the data from the monitoring stations because of a communications fault, however, all analysers continue to operate as normal.
Nitrogen dioxide (1-hour averages)
You can view the most recent readings for the real-time monitoring sites.
Please note: All the data presented is provisional and has not yet been ratified
You can find information on the air pollution index bandings and recommended actions and health advice on our air quality and health page.