You may have covered your nose while passing a brick kiln emitting smoke or started coughing while walking on a busy road Fig.
On the basis of your experience, compare the quality of air at the places given below:
A park and a busy road.
A residential area and an industrial area.
A busy traffic intersection at different times of the day, e.g., early morning, afternoon and evening.
A village and a town.
When we visit a park we find it full of fresh air and in a busy road we find it polluted due to fumes, smoke, dust and sound.
An industrial area is more polluted as compared to residential area as industrial area gets polluted with chemical pollutants, toxic gases, etc.
In early morning there is less pollution but in afternoon it becomes a little more polluted than morning and in the evening it becomes extremely polluted.
A town is more polluted than a village.