Panchkula, Oct. 18 -- Air pollution worsened sharply across the National Capital Region (NCR) on Sunday, with 10 cities and towns recording 'poor' air quality against four a day earlier, while Haryana's Ballabgarh emerged as the most polluted location with an Air Quality Index (AQI) of 278, according to the latest official air quality bulletin.
Greater Noida in Uttar Pradesh recorded the second-highest AQI at 274, followed by Khurja at 252, while Bahadurgarh in Haryana and Bhiwadi in Rajasthan registered 240 each.
The bulletin, issued at 4 pm and based on average air quality over the preceding 24 hours, showed that of the 30 NCR locations monitored, 10 fell in the 'poor' category, 12 in the 'moderate' category and eight in the 'satisfacto...