Grammar fix
air pollution
dirty air
When the air is made dirty or harmful by things like smoke, chemicals, or dust, often from cars, factories, or burning things.
Hear it in context
Notice where the phrase sounds natural.
Air pollution in big cities can make it hard to breathe, especially for children and older people.
In my opinion, air pollution is one of the most serious problems in modern cities because it affects people's health and the environment.
Fix the pattern
One small grammar move makes it sound right.
Not: There are a lot of air pollutions in the city.
Say: There's a lot of air pollution in the city.
'Air pollution' is uncountable — no plural, no 'a'.
Which sounds natural?
Tap the one a native speaker would say.
'Atmospheric contamination' is technical; 'air pollution' is the normal term.
Build natural chunks
Words that usually travel with it.
air pollution
- levels of
- reduce
- cause
- high