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 Sat 26th Apr Sun 27th Apr Mon 28th Apr Tue 29th Apr Wed 30th Apr
Hillingdon
Low
3
Moderate
4
Moderate
4
Moderate
5
Moderate
6
Hounslow
Low
3
Moderate
4
Moderate
4
Moderate
5
Moderate
6
Slough
Low
3
Moderate
4
Moderate
4
Moderate
4
Moderate
5
Spelthorne
Low
3
Moderate
4
Moderate
4
Moderate
5
Moderate
6
Last updated 26/04/2025 06:00
Daily Air Quality Index (More Info)
Low Medium High Very High
1 2 3 4 5 6 7 8 9 10