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Air pollution levels across Scotland updated hourly

Summary from 100 monitoring sites.
View a map of monitoring sites across Scotland »
Last updated at 04:00 Monday 20th September 2021.

Summary of latest air pollution levels

Low air pollution measured across Scotland

View latest data across Scotland »

Index (1-10)

1 2 3 Low

4 5 6 Moderate

7 8 9 High

10 Very high