Hyderabad, Dec. 2 -- The winter chill has turned the air quality in Hyderabad unhealthy. It has deteriorated in all localities of the city.

With night temperatures declining in the city, the Air Quality Index (AQI), which is currently at a level of 164, is likely to rise further.

Winter contributing to declining Hyderabad air quality

The city's air quality dip can be attributed to multiple factors. The city's rapid growth, increased vehicular movement, and expanding industrial activities contribute to the rising pollution in Hyderabad.

However, the current AQI increase can be largely attributed to the dip in temperatures in the city.

A dip in night temperature, especially on calm, clear evenings, directly leads to a rise in AQI level...