Delhi's AQI skyrocketed from 351 at 10 am on November 2 to 471 at 9 am on November 3, reflecting a sudden increase in pollution levels due to highly unfavourable meteorological conditions and a sharp spike in stubble burning incidents in neighbouring states.
A man wears anti-pollution mask to protect himself from growing level of air pollution, in New Delhi. Health professionals have expressed concerns that air pollution is increasing asthma and lung problems in children and the elderly.
Bandra-Worli Sea Link in Mumbai filled with smog. The Bombay High Court on October 31 expressed concern over the 'deteriorating' air quality index in Mumbai while taking suo motu (on its own) cognisance of the issue.
Brihanmumbai Municipal Corporation (BMC) sprinkles water at Nariman Point in Mumbai using mist-spraying machine to control air pollution.
The Delhi government has also announced the closure of all primary schools for two days in an effort to safeguard young children from health-threatening pollution.
Smoke emanating from burning garbage adds to the air pollution, in Gurugram. According to a numerical model-based system developed by the Indian Institute of Tropical Meteorology in Pune, smoke from stubble burning accounted for 25 per cent of the PM2.5 pollution in Delhi on November 2, and this figure may rise to 35 per cent on November 3.
Brihanmumbai Municipal Corporation (BMC) has identified six different technologies including installation of vehicle mounted filters for reducing air pollution in Mumbai city.
A train runs its tracks amid hazy weather conditions, near Red Fort in Old Delhi. The CAQM has said the pollution levels are only 'expected to increase further' owing to highly unfavourable meteorological and climatic conditions.
One of the major reasons behind the accumulation of pollutants in recent days is the lack of rainfall during this post-monsoon season so far.
Unfavourable meteorological conditions, combined with emissions from firecrackers, paddy straw burning, and local pollution sources, contribute to hazardous air quality levels in Delhi-NCR during winter.