5 day forecast

The table below shows a summary of the air pollution forecast for up to 5 days ahead. Air pollution forecasts are produced by the Met Office and you can find more detailed forecast information for England on the Defra UK-AIR website.

photo of airplane and trucks
Local Authority Sun 17th Aug Mon 18th Aug Tue 19th Aug Wed 20th Aug Thu 21st Aug
Hillingdon
Low
3
Low
3
Low
3
Low
3
Low
2
Hounslow
Low
3
Low
3
Low
3
Low
3
Low
2
Slough
Low
3
Low
3
Low
3
Low
2
Low
2
Spelthorne
Low
3
Low
3
Low
3
Low
3
Low
2
Last updated 17/08/2025 06:00
Daily Air Quality Index (More Info)
Low Medium High Very High
1 2 3 4 5 6 7 8 9 10