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 Wed 30th Apr Thu 1st May Fri 2nd May Sat 3rd May Sun 4th May
Hillingdon
Moderate
5
Moderate
5
Moderate
4
Low
3
Low
3
Hounslow
Moderate
5
Moderate
5
Moderate
4
Low
3
Low
3
Slough
Moderate
4
Moderate
4
Moderate
4
Low
3
Low
3
Spelthorne
Moderate
5
Moderate
5
Moderate
4
Low
3
Low
3
Last updated 30/04/2025 06:00
Daily Air Quality Index (More Info)
Low Medium High Very High
1 2 3 4 5 6 7 8 9 10