A single score showing overall air quality. Lower numbers mean cleaner, healthier air.
Tiny particles small enough to enter the lungs and bloodstream. Higher levels can affect breathing and long‑term health.
Larger dust and pollution particles that irritate the nose, throat, and lungs. Helps indicate general dustiness in the air.
A gas mainly from traffic and industry. High levels can irritate the respiratory system and signal urban pollution.
A colourless gas from incomplete combustion. Even low levels matter because CO reduces the blood’s ability to carry oxygen.
Measures how much pollen is in the air. Important for allergy and hay fever sufferers as higher counts trigger symptoms.
hello@ukdatahub.co.uk
Website developed and maintained by tldesignworks. All rights reserved © 2026
We continually improve our website by using Microsoft Clarity and Google Analytics to see how you use our website. By using our site, you agree that we and Microsoft and Google can collect and use this data. Our privacy statement here has more details.