Page 2 - Air Pollution Study

Delhi weather update: AQI still 'poor'; artificial rain planned post-Diwali

The IMD has forecast hazy mornings through the week, with smog or shallow fog likely from October 19 onwards. The Delhi government has also decided to conduct artificial rain after Diwali

Delhi air pollution system predicted very poor air quality at 80% accuracy

Delhi's air pollution forecasting system could predict "very poor and above" air quality days with more than 80 per cent accuracy in the last two winters, according to a new study published on Wednesday. The study by Council on Energy, Environment and Water (CEEW) said the city's Air Quality Early Warning System (AQEWS) successfully forecast 83 out of 92 "very poor and above" episodes (air quality index above 300) in winter 2023-24, and 54 out of 58 such days in 2024-25. The system also improved in predicting the severe pollution days (AQI above 400). While it managed to correctly flag just one out of 15 such days in 202324, the number jumped to five out of 14 in the following winter. "The high accuracy of Delhi's early warning systems is a positive sign. Updated emission inventories can improve the accuracy further. It would enable us to have a better understanding of what pollutes Delhi's air and in what quantities," said Mohammad Rafiuddin, programme lead at CEEW. He added that

Delhi-NCR residents lose over 8 years of life to toxic air, says study

According to the AQLI 2025 report, Indians breathe air worse than WHO's safe limits, losing 3.5 years of life expectancy, up to double in Delhi, Bihar, Haryana, and Uttar Pradesh

CAQM admits no research has been done behind overage vehicle ban

The Commission for Air Quality Management (CAQM) has admitted it has not conducted any research or study on pollution caused by diesel vehicles older than 10 years and petrol vehicles older than 15 years that form the basis of the overage vehicle ban in Delhi-NCR. In a reply to an RTI application filed by environmentalist Amit Gupta, the CAQM said it has not undertaken any pollution research or study regarding the impact of such vehicles. Asked if there were any other research that formed the basis of the ban, the commission said the restrictions on "end-of-life" (EoL) vehicles stem from the National Green Tribunal's order in Vardhman Kaushik vs Union of India & Ors and the Supreme Court's order in M C Mehta vs Union of India & Ors. Last month, the CAQM put on hold until October 31 the enforcement of its earlier directive that fuel stations in Delhi should not supply petrol or diesel to such overage vehicles. The decision came after the Delhi government cited "operational and .

Over ₹238 cr released for NCR under EPC funds for clean-air plans: RTI

The Central Pollution Control Board (CPCB) has released more than Rs 238 crore to nine urban local bodies (ULBs) in the NCR as part of its efforts to support city-level air pollution control under the Environment Protection Charge (EPC) funds, an RTI reply has revealed. The funds were disbursed to ULBs in Gurugram, Jind, Narnaul, Nuh, Palwal, Greater Noida, Hapur, Bharatpur and Bhiwadi through the respective state pollution control boards (SPCBs), according to the reply provided by the CPCB's air quality management division to an application filed under the Right to Information (RTI) Act on June 17. Additionally, the release of Rs 18.56 crore for seven other cities in the National Capital Region (NCR) -- Bahadurgarh, Bhiwani, Charkhi Dadri, Daruhera, Karnal, Panipat and Sonipat -- is currently under process through the Haryana State Pollution Control Board (HSPCB), the reply said. The funds are meant to serve as gap-funding support for implementing the city action plans for ...

CAQM defers fuel ban for end-of-life vehicles in Delhi-NCR to Nov

The Centre's panel on air quality in Delhi-NCR on Tuesday decided to put on hold the implementation of the fuel ban on end-of-life (EOL) or overage vehicles in the national capital until November 1, sources said. EOL vehicles are diesel vehicles older than 10 years and petrol vehicles older than 15 years. According to directions issued earlier, such vehicles are not to be given fuel in Delhi from July 1 irrespective of the states they are registered in. Delhi Environment Minister Manjinder Singh Sirsa last week requested the Commission For Air Quality Management (CAQM) to withhold action against such vehicles, calling the move "premature and potentially counterproductive", citing "operational and infrastructural challenges". Sources said the CAQM, at a review meeting, decided to put on hold the implementation of the directions in Delhi. The drive in Delhi will be launched along with five high-vehicle-density districts adjoining the national capital, including Gurugram, Faridabad,

Delhi merely spent 1/3rd funds received under NCAP to fight air pollution

Delhi, one of the most polluted cities in India, has used less than one-third of the funds it received under the National Clean Air Programme (NCAP), according to government records. Launched in 2019, the NCAP is India's first national plan to set clean air targets. It aims to reduce PM10 pollution by 40 per cent in 130 highly polluted cities by 2026, using 2019-20 as the base year. Environment ministry data showed that Delhi spent just Rs 13.94 crore, 32.65 per cent of the Rs 42.69 crore released to it under the NCAP. A total of 14 cities and urban agglomerations have spent less than 50 per cent of the funds they received under the programme, either directly from the environment ministry or through the 15th Finance Commission. Noida in Uttar Pradesh, another major pollution hotspot in the National Capital Region, has spent only Rs 3.44 crore of the Rs 30.89 crore given to it for air pollution control. Faridabad in Haryana spent Rs 28.60 crore of the Rs 107.14 crore it ...

Air pollution levels across India well above global standards: WHO official

Strategies like LPG subsidies and a switch to cleaner cooking fuels could help India become a leader in meeting this challenge, says Dr Maria Neira, director of environment and health at WHO

CAG report highlights lapses in Delhi's pollution control measures

Delhi's worsening air pollution has been exacerbated by lapses in its pollution control mechanisms, including irregularities in the issuance of PUC certificates, unreliable air quality monitoring systems, and poor enforcement of pollution control measures, according to a CAG report tabled in the Assembly on Tuesday. The report on 'Vehicular Air Pollution in Delhi', tabled by Chief Minister Rekha Gupta, highlighted major policy gaps and weak enforcement and poor coordination among agencies as key reasons behind the worsening pollution scenario in the national capital. More than 1.08 lakh vehicles were issued pollution under control (PUC) certificates despite them emitting carbon monoxide (CO) and hydrocarbons (HC) beyond permissible limits, the reports said. In many cases, multiple vehicles were issued certificates at the same time, sometimes within a minute of each other, it said. Between 2015 and 2020, nearly 4,000 diesel vehicles that exceeded pollution limits were still certifie

In meeting on pollution, Delhi CM outlines plans for clean, green city

In a bid to free Delhi of pollution, Chief Minister Rekha Gupta on Thursday outlined plans for a clean, green and healthy city. Gupta chaired a meeting to discuss steps to make the national capital cleaner and pollution-free that was attended by Environment Minister Manjinder Singh Sirsa, and senior officials from the environment and the public works departments, Delhi Police, Commission for Air Quality Management, Delhi Development Authority, and civic bodies. During the meeting, the chief minister directed the departments and the agencies to accelerate pollution-control efforts. "We are dedicated to creating a clean, green and healthy capital with the support of Delhi's residents," Gupta said in a post in Hindi on X. All the departments concerned were directed to take concrete and effective measures to accelerate pollution control, she said. "The government remains committed to collaborating with all stakeholders to improve air quality and expand green spaces. With the support o

Delhi's air quality returns to 'poor' after a brief period of relief

Delhi also remained the most polluted capital in the world, according to World Air Quality Report 2024 released by Swiss air quality technology company IQAir

Assam's Byrnihat tops global pollution list; Delhi leads capitals: Report

Thirteen of the world's top 20 most polluted cities are in India, with Byrnihat in Assam topping the list, according to a new report published on Tuesday. The World Air Quality Report 2024 by Swiss air quality technology company IQAir said Delhi remains the most polluted capital city globally, while India ranked as the world's fifth most polluted country in 2024, down from third in 2023. The report said India saw a 7 per cent decline in PM2.5 concentrations in 2024, averaging 50.6 micrograms per cubic metre, compared to 54.4 micrograms per cubic metre in 2023. Yet, six of the world's 10 most polluted cities are in India. Delhi recorded consistently high pollution levels, with an annual average PM2.5 concentration of 91.6 micrograms per cubic metre, nearly unchanged from 92.7 micrograms per cubic metre in 2023. The 13 Indian cities in the world's top 20 most polluted cities are Byrnihat, Delhi, Mullanpur (Punjab), Faridabad, Loni, New Delhi, Gurugram, Ganganagar, Greater Noida, ...

No study conducted on air pollution's impact on tourism: Govt in Parliament

No study has been instituted by the Ministry of Tourism to assess the impact of air pollution on tourism and revenue loss due to travel advisories and cancellations related to it, the government informed Parliament on Monday. Union Tourism Minister Gajendra Singh Shekhawat said this in a written response to a query in the Lok Sabha. The ministry was asked whether the government has conducted any assessment of the economic impact on tourism due to deteriorating air quality in major tourist destinations, particularly in north India. The government was also asked the details of estimated revenue loss to the tourism sector during the last three years due to travel advisories and cancellations related to air pollution. "No such study has been instituted by Ministry of Tourism, Government of India to assess the impact of air pollution on tourism and revenue loss due to travel advisories and cancellations related to air pollution," the minister said. The ministry was also asked whether t

Delhi recorded the worst air quality in India during winter 2024-25: Report

With an average PM2.5 value of 159 μg/m³ during the winter of 2024-2025, Delhi was the most polluted city in India. According to the analysis, Aizawl in Mizoram was the cleanest city

Delhi's air quality remains 'moderate' as winter returns with strong winds

The improved air quality is mainly due to better weather conditions, with strong winds and light rainfall, earlier this week, that helped to clear pollutants

Air pollution may be higher inside your home than outdoors: Study

The team note that factors such as household location, ventilation, and occupancy patterns influenced particle levels - demonstrating the complexity of indoor air quality

'Indians justifiably outraged': Bryan Johnson shares study on air quality

A study shared by US entrepreneur Bryan Johnson showed that prolonged exposure to PM 2.5 pollutants lead to liver inflammation, blood fat imbalance, and presence of liver protein markers

Indians justifiably outraged by poor air quality, says Bryan Johnson

Citing a study, Johnson highlighted that prolonged exposure to PM2.5 pollutants can cause liver inflammation, fibrosis, blood fat imbalances, and genetic disruptions linked to cancer

Bombay HC calls for CNG & electric vehicles to tackle Mumbai air pollution

Encouraging the adoption of cleaner transport, the court suggested gradually phasing out diesel-driven vehicles while promoting CNG and electric cars

Indian cities reduced PM2.5 pollution levels by 27% from 2019-24: Report

Indian cities achieved an average 27 per cent reduction in PM2.5 pollution levels from 2019 to 2024, with those under NCAP alone recording a 24 per cent decline, a new report has found. According to the report by climate tech firm Respirer Living Sciences, Varanasi and Moradabad reduced PM2.5 levels by 76 per cent and 58 per cent, respectively. Other top performers include Kalaburagi (57.2 per cent), Meerut (57.1 per cent), Katni (56.3 per cent), Agra (54.1 per cent), Baghpat (53.3 per cent), Kanpur (51.2 per cent) and Jodhpur (50.5 per cent). "Air quality has improved considerably, with a 27 per cent decline in PM2.5 levels across all monitored cities since 2019. NCAP (National Clean Air Programme) cities alone achieved a 24 per cent reduction, showing progress in combating air pollution," according to the report. Despite the improvements, several cities remain highly polluted. In 2024, Delhi recorded PM2.5 levels of 107 microgrammes per cubic metre while Byrnihat in Assam report