India's major metropolitan cities, New Delhi and Mumbai are experiencing the worst air quality of the year.&nbsp;

In the national capital, New Delhi, the air quality continued to remain in the "very poor" category for the fourth day in a row. The AQI stood at 350 at 9 am, according to the Central Pollution Control Board (CPCB).&nbsp;

Meanwhile, Mumbai's air quality was in the 'moderate' category, with an AQI of 161 on Tuesday. The most concerning air quality was noted at Mumbai's Bandra Kurla Complex, where the AQI reached the level of 257.&nbsp;

Also read:&nbsp;<a href="https://www.wionews.com/india-news/national-unity-day-2023-heres-why-we-celebrate-vallabhbhai-patels-birth-anniversary-as-ekta-diwas-653341">National Unity Day 2023: Here's why we celebrate Vallabhbhai Patel's birth anniversary as Ekta Diwas</a>

An AQI between 0-50 is considered “good", 51-100 “satisfactory", 101-200 “moderate", 201-300 “poor", 301-400 “very poor", and 401-500 “severe". An AQI above 500 falls in the “severe plus" category.

According to the Air Quality Early Warning System for Delhi, the air quality is expected to remain in the 'very poor' category until at least November 2. The air quality in Delhi is at its worst level since 2020.&nbsp;

The average AQI in the city was at 210 between October 1 and October 29, lower only than the 257 recorded in October 2020, according to data maintained by the Central Pollution Control Board.&nbsp;

<h2>Mumbai air pollution</h2>

Due to its coastal location, Mumbai was considered immune from the issue of air pollution, but the last two years have shown that its geographical advantage no longer provides protection. As per several reports, Mumbai's air was more polluted than Delhi's on some days.&nbsp;

Also read:&nbsp;<a href="https://www.wionews.com/business-economy/jefferies-predicts-25pc-stock-market-decline-in-india-if-bjp-loses-2024-elections-653337">India's stock market may decline by 25 pc if BJP loses 2024 elections: Jefferies</a>

<h2>Measures taken by government to curb air pollution</h2>

To curb pollution in Delhi, starting Wednesday, only CNG, and BS-VI-compliant buses will be allowed to enter Delhi from other states. Meanwhile, the Mumbai civic authority, the Brihanmumbai Municipal Corporation (BMC) has issued “stop-work” notices to construction sites.

(With inputs from agencies)&nbsp;

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India's major metropolitan cities, New Delhi and Mumbai are experiencing the worst air quality of the year. In the national capital, New Delhi, the air quality continued to remain in the "very poor" category for the fourth day in a row.

India's major metropolitan cities, New Delhi and Mumbai are experiencing the worst air quality of the year. In the national capital, New Delhi, the air quality continued to remain in the "very poor" category for the fourth day in a row. The AQI stood at 350 at 9 am, according to the Central Pollution Control Board (CPCB). Meanwhile, Mumbai's air quality was in the 'moderate' category, with an AQI of 161 on Tuesday. The most concerning air quality was noted at Mumbai's Bandra Kurla Complex, where the AQI reached the level of 257. Also read: National Unity Day 2023: Here's why we celebrate Vallabhbhai Patel's birth anniversary as Ekta Diwas An AQI between 0-50 is considered “good", 51-100 “satisfactory", 101-200 “moderate", 201-300 “poor", 301-400 “very poor", and 401-500 “severe". An AQI above 500 falls in the “severe plus" category. According to the Air Quality Early Warning System for Delhi, the air quality is expected to remain in the 'very poor' category until at least November 2. The air quality in Delhi is at its worst level since 2020. The average AQI in the city was at 210 between October 1 and October 29, lower only than the 257 recorded in October 2020, according to data maintained by the Central Pollution Control Board. Mumbai air pollution Due to its coastal location, Mumbai was considered immune from the issue of air pollution, but the last two years have shown that its geographical advantage no longer provides protection. As per several reports, Mumbai's air was more polluted than Delhi's on some days. Also read: India's stock market may decline by 25 pc if BJP loses 2024 elections: Jefferies Measures taken by government to curb air pollution To curb pollution in Delhi, starting Wednesday, only CNG, and BS-VI-compliant buses will be allowed to enter Delhi from other states. Meanwhile, the Mumbai civic authority, the Brihanmumbai Municipal Corporation (BMC) has issued “stop-work” notices to construction sites. (With inputs from agencies) WATCH WION LIVE HERE ×

India: Air quality in Delhi continues to worsen, smoggy Mumbai also no longer immune

India’s financial capital city Mumbai's air quality has become worse than India’s national capital Delhi.&nbsp;

On Thursday, Mumbai recorded the Air Quality Index (AQI) of 316, considered to be ‘very poor', higher than Delhi’s AQI at 263 or in the ‘poor’ category.&nbsp;

An AQI between 201 and 300 is considered *poor*, 301-400 *very poor* and 401-500 *severe*, while an AQI between zero and 50 is considered *good*, 51 and 100 *satisfactory*, and 101 and 200 *moderate.&nbsp;

According to the System of Air Quality and Weather Forecasting and Research (SAFAR), stagnant winds, drop in temperatures, and suspended pollutants mixing with moisture in the atmosphere are causing haze across the metropolis.&nbsp;

Also read |&nbsp;<a href="https://www.wionews.com/india-news/gujarat-election-results-2022-bjp-records-biggest-ever-win-in-modis-home-turf-541178">BJP inching towards over three-fourth majority on PM Modi’s home turf Gujarat</a>

As Mumbai AQI became worse than Delhi’s, doctors advised people to take precautionary measures like wearing masks, especially those who have respiratory illnesses, while stepping out.

In fact, Mumbai’s civic body, BMC has come up with an action plan to improve air quality.&nbsp;

All 24 administrative wards have been directed to take immediate remedial measures to deal with the rise in AQI levels. The second step is to clean road dust and sprinkle water and also identify air pollution hotspots and micro hotspots.&nbsp;

The consultants held a special meeting earlier this month with the civic body and pointed to four wards that showed a rise in AQI levels, much above 200.&nbsp;

Areas like Colaba-Churchgate, Mankhurd, Borivali, and Malad are the most affected.&nbsp;

Also read |&nbsp;<a href="https://www.wionews.com/world/mahsa-amini-death-iran-executes-prisoner-over-anti-regime-protests-for-first-time-541242">Iran executes first prisoner over anti-regime protests after Mahsa Amini death</a>

Air pollution is among the most severe health crises of our time. According to the United Nations, it's responsible for seven million premature deaths every year.

The World Health Organization (WHO) says the main pathway of exposure to air pollution is through the respiratory tract.&nbsp;

Breathing in these pollutants leads to inflammation, oxidative stress, immunosuppression, and mutagenicity in cells throughout our body, impacting the lungs, heart, and brain among other organs, and ultimately leading to disease.&nbsp;

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India’s financial capital city Mumbai's air quality has become worse than India’s national capital Delhi. On Thursday, Mumbai recorded the Air Quality Index (AQI) of 316, considered to be ‘very poor', higher than Delhi’s AQI at 263 or in the ‘poor’ category.

India’s financial capital city Mumbai's air quality has become worse than India’s national capital Delhi. On Thursday, Mumbai recorded the Air Quality Index (AQI) of 316, considered to be ‘very poor', higher than Delhi’s AQI at 263 or in the ‘poor’ category. An AQI between 201 and 300 is considered *poor*, 301-400 *very poor* and 401-500 *severe*, while an AQI between zero and 50 is considered *good*, 51 and 100 *satisfactory*, and 101 and 200 *moderate. According to the System of Air Quality and Weather Forecasting and Research (SAFAR), stagnant winds, drop in temperatures, and suspended pollutants mixing with moisture in the atmosphere are causing haze across the metropolis. Also read | BJP inching towards over three-fourth majority on PM Modi’s home turf Gujarat As Mumbai AQI became worse than Delhi’s, doctors advised people to take precautionary measures like wearing masks, especially those who have respiratory illnesses, while stepping out. In fact, Mumbai’s civic body, BMC has come up with an action plan to improve air quality. All 24 administrative wards have been directed to take immediate remedial measures to deal with the rise in AQI levels. The second step is to clean road dust and sprinkle water and also identify air pollution hotspots and micro hotspots. The consultants held a special meeting earlier this month with the civic body and pointed to four wards that showed a rise in AQI levels, much above 200. Areas like Colaba-Churchgate, Mankhurd, Borivali, and Malad are the most affected. Also read | Iran executes first prisoner over anti-regime protests after Mahsa Amini death Air pollution is among the most severe health crises of our time. According to the United Nations, it's responsible for seven million premature deaths every year. The World Health Organization (WHO) says the main pathway of exposure to air pollution is through the respiratory tract. Breathing in these pollutants leads to inflammation, oxidative stress, immunosuppression, and mutagenicity in cells throughout our body, impacting the lungs, heart, and brain among other organs, and ultimately leading to disease.

Mumbai air remains in 'very poor' category, AQI level worse than Delhi

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India: Air quality in Delhi continues to worsen, smoggy Mumbai also no longer immune

Mumbai air remains in 'very poor' category, AQI level worse than Delhi