Instant reading shows the level at 47 ug per cubic metre, which is also on the higher side.

Bangladesh, Pakistan, India most polluted

NEW DELHI: Five out of the top 10 most-polluted cities in the world are in Delhi-NCR with Gurgaon being at the number 1 spot clocking an annual average PM2.5 reading of 135.8 micrograms per cubic m

Experts have attributed the good air quality to increase in temperature and good winds.

U.S.

These fine dust particles can easily enter the lungs causing health and breathing issues.

The AQI near Pusa Road, Airport Terminal 3 and Chandni Chowk was recorded at 329, 301 and 338 respectively.

KOLKATA: Hundreds of citizens concerned about the environment took to the streets on Sunday to raise awareness on the alarming rise of air pollution in Kolkata.

As the impact of rain subsided, Delhi's air quality deteriorated further and slipped into the 'very poor' category on Thursday, authorities said.