Page 3 - Air Quality

Updates: New Maharashtra govt to be sworn in Mumbai at 5 pm on Dec 5; PM Modi to attend

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Delhi's air quality 'very poor' as haze lingers, pollution levels surge

Delhi's air quality remains in the 'very poor' category, with pollution levels surging across the city. Haze persists, and the AQI continues to hover above 300 in many areas

Delhi's air quality returns to a 'very poor' category with AQI at 303

Air quality in Delhi-NCR remains a concern, with several key areas in the national capital classified as 'very poor' and notable fluctuations in pollution levels

Delhi's air quality remains 'very poor', police ramps up vehicle checks

Residents of Delhi are at the risk of developing lung damage as thick layers of smog continue to cover the national capital

Highlights: Sebi introduces mark-to-market basis valuation for repo transactions by mutual funds

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Delhi schools to conduct classes in hybrid mode after CAQM's directive

In compliance with the CAQM order, the Directorate of Education, Government of Delhi, has issued instructions to the heads of all government, government-aided, and unaided recognised private schools

Delhi's air quality plunges to 'severe' again; Gurugram sees improvement

A thick layer of smog enveloped Delhi on Sunday, further worsening visibility and air quality

Delhi AQI: Air quality returns to 'severe' as smog blankets the city

Low visibility led to several train delays of 24 to 39 minutes on average. Jansadharan Express from Anand Vihar to Danapur, which was delayed by over 11 hours

Senior living homes, air purifiers, stocks: Top personal finance stories

This week we report about why you must invest in a senior living home and how premium air purifiers help at home

Delhi emerges as most polluted Indian city as air quality crisis persists

Delhi emerged as the most polluted city in India, recording an average PM2.5 level of 243.3 micrograms per cubic metre air (g/m), with pollution surging by 19.5 per cent in week-on-week increase, according to a report released on Thursday. According to the Air Quality Analysis Report by Respirer Living Sciences, which analysed PM2.5 levels across 281 Indian cities from November 3 to 16, Delhi was ranked last, holding position 281. The prominent pollutant was PM2.5fine particles with a diameter of 2.5 micrometers or less, roughly the width of a human hair. These particles can penetrate deep into the lungs and enter the bloodstream, posing significant health risks, according to the Central Pollution Control Board. The severe pollution underscores the compounded effects of vehicular emissions, industrial output, and stubble burning. Combined with cooler winter temperatures, these conditions are trapping pollutants closer to the ground, the report said. It claimed that Delhi's pollut

Increased pollution fuels smog crisis across north India, study finds

A study reveals that rising pollution levels are aggravating winter smog in northern India, with aerosols intensifying the temperature inversion effect, worsening air quality in Delhi

Delhi's toxic air: AQI hits 500, schools, colleges shift to online classes

According to the Central Pollution Control Board (CPCB), AQI levels in several locations, including Anand Vihar, Jahangirpuri, and Bawana, reached the 500-mark early Tuesday morning

Fog clouds Mumbai, UP, Haryana; air quality drops and reduces visibility

The air quality in the national capital also remained in the 'severe plus' category for the second consecutive day

Smog disrupts supply chains, output for 3.4 million MSMEs in north India

Air pollution: Industry bodies say prolonged smog exposure is affecting workers' health, leading to reduced productivity and extended production delays

Delhi chokes under toxic smog as AQI hits highest level this year

Delhi authorities directed all schools to move classes online and tightened restrictions on construction activities

Delhi gasps as air quality remains hazardous; govt tightens Grap III curbs

Delhi government enforces a ban on BS-III petrol and BS-IV diesel four-wheelers under Grap-III from Friday, violators will face fine up to Rs 20,000

With 418 AQI, Delhi's air quality turns 'severe' for first time this season

An AQI between zero and 50 is considered 'good', 51 and 100 'satisfactory', 101 and 200 'moderate', 201 and 300 'poor', 301 and 400 'very poor', 401 and 450 'severe' and above 450 'severe plus'

Delhi's air quality 'very poor' for 14th day; temp may drop from Nov 17

Delhi's air quality remained "very poor" for a 14th consecutive day on Tuesday, with an AQI reading of 334, as vehicular emission was the biggest contributor to the city's pollution, accounting for 15.4 per cent. The Air Quality Index (AQI) has been in the "very poor" category since October 30, when it was recorded at 307. An AQI between zero and 50 is considered "good", 51 and 100 "satisfactory", 101 and 200 "moderate", 201 and 300 "poor", 301 and 400 "very poor", 401 and 450 "severe" and above 450 "severe plus". According to the Centre's Decision Support System for Air Quality Management, vehicular emissions will remain the top contributor to Delhi's pollution over the next two days, with an estimated share of approximately 10 per cent. On Tuesday, it was 15.5 per cent. The national capital's 24-hour average AQI, recorded at 4 pm every day, stood at 334, down from 354 on Monday. Air pollution levels reached the "severe" category at one station in Anand Vihar. Across the country,

Delhi air quality remains in 'very poor' category with AQI reading of 352

Delhi's air quality remained in the 'very poor' category on Monday with an AQI reading of 352, while four monitoring stations reported air quality levels in the 'severe' zone. The 24-hour average Air Quality Index (AQI) recorded until 4 pm daily was reported at 352, according to the Central Pollution Control Board (CPCB) data. On Sunday, the national capital recorded the 24-hour average AQI of 335, according to the CPCB. Data from CPCB's Sameer app, which provides hourly AQI updates,showed that four out of the 38 monitoring stations on Monday reported AQI in the 'severe' category with readings above 400. These included Bawana, Jahangirpuri, Rohini, and Wazirpur. Meanwhile, a thick layer of mist and smog blanketed the city during the morning and evening hours, with a high of 32.4 degrees Celsius, three degrees above normal. The minimum temperature was also three notches above the season's average, with a reading of 17.6 degrees Celsius at 9 am. Humidity levels fluctuated between 96

Ramesh asks environment ministry to clarify air quality standards review

Congress leader Jairam Ramesh asked the Environment Ministry on Sunday to clarify the results of the review of the National Ambient Air Quality Standards-2009 that IIT-Kanpur was tasked to carry out on the orders of the Central Pollution Control Board in 2021. The Congress general secretary in-charge communications said the National Ambient Air Quality Standards (NAAQS) covering 12 major pollutants were last promulgated in November 2009. That was widely hailed at that time, even though it was well understood that they would have to be kept under periodic review, the former environment minister said in a post on X. IIT-Kanpur had been intimately involved with this initiative, he said. In December 2021, IIT-Kanpur was tasked by the Central Pollution Control Board to review NAAQS, 2009, Ramesh said. "Meanwhile, there seems to be an effort to relax standards like those relating to emissions of sulphur dioxide from power plants." "Till today, even as the country chokes, we have no idea