India, Nov. 23 -- The Uttar Pradesh government said it has formulated a "comprehensive and result-oriented action plan" to curb air pollution in Ghaziabad even as the city on Saturday topped the list of the country's most polluted cities for the fourth consecutive day.

According to the Central Pollution Control Board (CPCB) data, Saturday was also the seventh consecutive "severe" air quality day for Ghaziabad, with an air quality index (AQI) of 434. From November 16 to November 21, the city recorded "severe" AQI levels of 419, 401, 434, 422, 430, and 422, respectively.

Ghaziabad earlier emerged as the most-polluted city across the country on November 17, 19, 20, and 21.

The UP government, in a statement on Saturday, said: "Major focus ...