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Real-time monitoring graphs

Air Quality Index

The table below shows the current readings at each of our real-time monitoring stations. Readings are in micrograms per cubic metre (μg/m3).You can view each site on an interactive map by clicking on its site name in the table.

ValueHealth IndexValueHealth IndexValueHealth Index
Stanneyno datano datan/ano datan/ano data
Whitby Roadno datano datan/an/an/an/a
Central Libraryn/an/an/an/an/ano data
Opsis 1no datano datan/ano datan/an/a
Opsis 2no datano datan/ano datan/an/a
Boughtonno datano datan/an/an/an/a
Thornton-le-Moorsn/an/an/ano datan/an/a
Frodshamno datano datan/ano data25.48Low 2

For residents of Ellesmere Port this information is available on the electronic display boards in the town centre. Weekly summaries are published in the Ellesmere Port Standard and Chester Standard.


Find out what air pollution means for your health

Please note: Opsis 2 is currently out of commission.


 You can search either by pollutant or by monitoring station.


Monitoring Station:

Other monitoring