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Home > Help and Advice > Environmental Advice FAQs > Air Quality FAQs > Which air pollutants are measured and how do they affect your health?
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Which air pollutants are measured and how do they affect your health?

We continuously measure the main air pollutants at two sites within the Borough using sophisticated monitoring equipment

These include the following :-

  • Oxides of Nitrogen
  • Sulphur Dioxide
  • Small Particles [known as PM10s]
  • Carbon Monoxide
  • Ozone


The readings for each pollutant are then classified into one of four pollution bands and is further classified according to the air pollution index [on a 1-10 scale]as shown below: -

Air Quality Band Air Quality IndexHealth Effects

Low 1-3 Effects are unlikely to be noticed even by those who are sensitive to air pollution.

Moderate 4-6 Sensitive people may notice mild effects but these are unlikely to need action.

High 7-9 Sensitive people may notice significant effects and may need to take action.

Very High 10 Effects on sensitive people, described for HIGH pollution, may worsen.

Further information can be found on the air quality achive [see link on the left ]



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