Air pollution in the capital Delhi has returned to severe level from very poor category in most places. To curb pollution levels, ---The New Delhi municipal corporation carried out night cleaning and sweeping of roads at several locations in the national capital early Friday morning. Top Court has instructed pollution measures should not be removed until instructed. Watch top know more!

Delhi Air Pollution Crisis: SC Upholds GRAP-IV, Urges CAQM To Review Norms

Delhi is struggling with severe smog, turning the city into a "gas chamber" as air pollution levels soar to hazardous levels.

Delhi Air Pollution Crisis: National Capital Continues To Choke As ‘Severe’ Air Quality Continues

Delhi Air Quality Index (AQI) crossed the 500 mark on Sunday&nbsp;(Nov. 3)&nbsp;as the air quality continues to deteriorate. As of 7 am, the air quality in the national capital dipped&nbsp;to the ‘hazardous’ category, which is harmful to the health of residents of Delhi and nearby areas.

A thick layer of smog blankets the national capital as the AQI levels shot up to 507, as per the IQAir website data. PM2.5 levels in Delhi-NCR were recorded over 65 times more than the WHO-prescribed limit, which is&nbsp;15 µg/m3 for&nbsp;24-hour average exposures.&nbsp;PM2.5 are smaller particles or droplets that are a major component of air pollution, which can result in health issues.

<h2>Second-most polluted city in the world</h2>

Delhi now ranks second in the most polluted major city ranking, according to IQAir data. The AQI levels in the city soared from 327 to a dangerously high 507 within 12 hours.&nbsp;

Also read |&nbsp;<a href="https://www.wionews.com/india-news/imd-predicts-a-warm-november-following-record-high-temperatures-in-october-772655">Indian MET department predicts a warm November following record-high temperatures in October</a>

According to the Central Pollution Control Board (CPCB) data, weather-monitoring stations at Alipur, Anand Vihar, Ashok Vihar, Aaya Nagar, Bawana, Burari, Mathura Road, IGI Airport, Dwarka, Jahangirpuri, Mundka, Narela, Patparganj, Rohini, Shadipur, Sonia Vihar, Wazirpur, Mandir Marg, Nehru Nagar, Najafgarh and others recorded AQI in ‘very poor’ category.

According to AQI standards, air quality between 200-300 is considered ‘poor’, between 301-400 is ‘very poor’, and above 400 is ‘severe’. Air quality above 300 is considered hazardous for health.

Also read |&nbsp;<a href="https://www.wionews.com/india-news/delhi-man-arrested-for-posing-as-aide-of-lawrence-bishnoi-to-threaten-mp-pappu-yadav-772825">Delhi man arrested for posing as aide of Lawrence Bishnoi to threaten MP Pappu Yadav</a>

<h2>Delhi air pollution&nbsp;</h2>

On November 1, the city recorded air quality in the ‘very poor’ category, with AQI recorded in most areas over 350, according to the Central Pollution Control Board (CPCB), raising health concerns for the people living in and around the national capital.

Despite measures like the Graded Response Action Plan (GRAP-II) already being implemented in the city, Delhi’s air quality continues to deteriorate. GRAP-II was implemented in Delhi-NCR by the Commission for Air Quality Management (CAQM) on October 21 after the air quality worsened to ‘very poor’ in the national capital.

(With inputs from agencies)

Delhi Air Quality Index (AQI) crossed the 500 mark on Sunday (Nov. 3) as the air quality continues to deteriorate. As of 7 am, the air quality in the national capital dipped to the ‘hazardous’ category, which is harmful to the health of residents of Delhi and nearby areas.

Delhi Air Quality Index (AQI) crossed the 500 mark on Sunday (Nov. 3) as the air quality continues to deteriorate. As of 7 am, the air quality in the national capital dipped to the ‘hazardous’ category, which is harmful to the health of residents of Delhi and nearby areas. A thick layer of smog blankets the national capital as the AQI levels shot up to 507, as per the IQAir website data. PM2.5 levels in Delhi-NCR were recorded over 65 times more than the WHO-prescribed limit, which is 15 µg/m3 for 24-hour average exposures. PM2.5 are smaller particles or droplets that are a major component of air pollution, which can result in health issues. Second-most polluted city in the world Delhi now ranks second in the most polluted major city ranking, according to IQAir data. The AQI levels in the city soared from 327 to a dangerously high 507 within 12 hours. Also read | Indian MET department predicts a warm November following record-high temperatures in October According to the Central Pollution Control Board (CPCB) data, weather-monitoring stations at Alipur, Anand Vihar, Ashok Vihar, Aaya Nagar, Bawana, Burari, Mathura Road, IGI Airport, Dwarka, Jahangirpuri, Mundka, Narela, Patparganj, Rohini, Shadipur, Sonia Vihar, Wazirpur, Mandir Marg, Nehru Nagar, Najafgarh and others recorded AQI in ‘very poor’ category. According to AQI standards, air quality between 200-300 is considered ‘poor’, between 301-400 is ‘very poor’, and above 400 is ‘severe’. Air quality above 300 is considered hazardous for health. Also read | Delhi man arrested for posing as aide of Lawrence Bishnoi to threaten MP Pappu Yadav Delhi air pollution On November 1, the city recorded air quality in the ‘very poor’ category, with AQI recorded in most areas over 350, according to the Central Pollution Control Board (CPCB), raising health concerns for the people living in and around the national capital. Despite measures like the Graded Response Action Plan (GRAP-II) already being implemented in the city, Delhi’s air quality continues to deteriorate. GRAP-II was implemented in Delhi-NCR by the Commission for Air Quality Management (CAQM) on October 21 after the air quality worsened to ‘very poor’ in the national capital. (With inputs from agencies)

Delhi AQI crosses 500 mark, PM2.5 level 65 times over WHO prescribed limit

The Commission for Air Quality Management (CAQM) has ordered the implementation of GRAP-II in Delhi-NCR as the air quality in the national capital deteriorates to the “very poor” category. The Air Quality Index was recorded in the city reached 349 at 8 am on Monday, October 21.