PM 2.5

Northern China pollution rises by 16% in January

SHANGHAI: Air pollution in 39 major northern Chinese cities rose 16 percent on the year in January, official data showed, with surging industrial activity making it increasingly unlikely they will meet their winter emissions targets. Average concentrations of small, hazardous particles known as PM2.5 in two major northern Chinese emissions …

How UK cleaned its air, and what Delhi can learn

NEW DELHI: A “moderate” day in Delhi is an “emergency” in London. And the UK is still looking to clean up its air even further. Professor Frank Kelly, chair in environmental health at King’s College London, who was in the city to attend the World Sustainable Development Summit 2019, told …

Associations between coarse particulate matter air pollution and cause-specific mortality: A nationwide analysis in 272 Chinese cities

Coarse particulate matter with aerodynamic diameter between 2.5 and 10μm (PM2.5–10) air pollution is a severe environmental problem in developing countries, but its challenges to public health were rarely evaluated. The researchers aimed to investigate the associations between day-to-day changes in PM2.5–10 and cause-specific mortality in China. Original Source

Wind speed declines, city’s air quality remains ‘poor’

Gurgaon: The air quality dipped further on Monday due to a decline in wind speed and the prevailing cold wave. On Monday, the air quality index (AQI) in the city was recorded at 229 (‘poor’ ) while it was recorded at 202 on Sunday. The AQI in Manesar was recorded …

Amdavadis turn to masks to beat poor air quality

Ahmedabad has been dealing with a serious issue of poor air quality for the last few months. And despite efforts being made by the Ahmedabad Municipal Corporation (AMC), the situation remains grim. As System of Air Quality and Weather Forecasting Research (SAFAR) recorded poor to very poor air quality on …

Delhi's air pollution on rise, slips to 'very poor' category: Authorities

As the impact of rain subsided, Delhi's air quality deteriorated further and slipped into the 'very poor' category on Thursday, authorities said. They said unfavourable meteorological conditions have slowed down the process of dispersion of pollutants. According to the Central Pollution Control Board (CPCB) data, the overall AQI in the …

DPCC collaborates with CSE to identify factors of air pollution

The Delhi Pollution Control Committee (DPCC) in collaboration with a leading think-tank Centre for Science and Environment (CSE) announces the launch of a pilot study on real-time source apportionment of PM2.5 in Delhi-NCR. The study aims at identifying the factors and various sources of pollution and carry out source speciation …

Delhi-NCR pollution: CSE study to identify sources of pollution in real-time

The Centre for Science and Environment (CSE), in association with the Delhi Pollution Control Committee (DPCC) and leading instrumentation company Horiba, Japan launched a pilot study on Wednesday on real-time source apportionment of PM2.5 in Delhi and adjoining areas. The objective of the study is to identify the signature of …

Toxic air: Delhi air quality can improve with BS-VI norms, Ujjwala scheme

ARAI director Rashmi Urdhwareshe and TERI director-general Ajay Mathur made the study public at the SIAT automotive show in Pune. Data was collected from 20 locations with nine of them in Delhi and 11 in NCR. The new vehicle emission norms (BS-VI) and the Ujjwala Scheme providing LPG connections to …

Delhi's air improves sharply, turns 'satisfactory' for first time in 2019

This is the first time since October last year that the air quality has been recorded in the 'satisfactory' category. It is also the city's best AQI of this year, the CPCB data showed Delhi recorded its lowest pollution levels since October last year on Tuesday after heavy rains and …

China vows no leeway for underperformers in war on pollution

China will order detailed punishment measures for officials in regions that miss air quality targets this winter, refusing to accept unfavorable weather or mounting economic pressure as excuses, an environment ministry official said on Monday. China is in the fifth year of a war on pollution to reverse the environmental …

Study finds methanol in fuel cuts CO2 level

Pune: A study, in which methanol (M-15) was blended with petrol and used in the existing BS-IV standard cars, found that the carbon dioxide emission had reduced substantially. The study, conducted by Pune-based Automotive Research Association of India (ARAI), also found that hydrocarbon emission reduced marginally, with a slight increase …

Air in city, Delhi rich in toxins that can cause brain damage: Study

GURUGRAM: An analysis of air samples collected from upscale residential properties located close to construction sites has revealed presence of alarming levels of toxic metals in the city air. The study carried out by Lung Care Foundation, an NGO, has reiterated that increased construction activities are one of the major …

Even environment minister desists from morning walk

KOLKATA: State environment minister Suvendu Adhikari on Wednesday said he refrained from taking morning walks in Kolkata because of the “alarming” level of pollution in the city and promised to reduce three major pollutants by 20% to 30% by next winter. “The pollution level is so high early in the …

Submit reports on anti-pollution steps twice a week, state body told

GURUGRAM: The Central Pollution Control Board (CPCB) has asked the Haryana State Pollution Control Board (HSPCB) to submit reports on anti-pollution measures enforced in the city, twice a week — on Tuesday and Friday. “The HSPCB has been directed to submit the action-taken reports on complaints on air pollution, illegal …

Delhi: Improved air quality index worsens by evening; wind speed slows down

The national capital breathed the cleanest air of the year on Wednesday morning with the System of Air Quality and Weather Forecasting And Research (SAFAR) recording the Air Quality Index at 215, which slotted in the ‘poor’ category. The relief, however, was short-lived as the pollution levels spiked to ‘very …

India must implement environmental blueprint unveiled last year

The year 2018 was full of declarations. In the country, some major policies and programmes were launched to tackle issues ranging from air pollution to plastic pollution. At the international level, too, two major agreements got underway—the rulebook to implement the Paris Agreement was adopted and the Kigali Amendment to …

India's plan to breathe easy is out, but targets are not legally binding

The Indian government has unveiled its long-awaited National Clean Air Programme (NCAP) that aims at a 20-30 percent reduction of particulate matter (PM) concentration over the next five years, with an overall goal of mitigating air pollution and improving air quality in the country, which has some of the world's …

Mumbai: Air quality at BKC far worse than several parts of Delhi

On Monday, air quality at Bandra Kurla Complex (BKC), Mumbai's planned commercial hub, was far worse than several places in Delhi, raising concerns over the health of thousands of people who visit the area daily. Experts from System of Air Quality Weather Forecasting and Research (SAFAR) said air quality in …

Pollution levels within limits but flights get impacted

Visibility on roads poor as Bhogi bonfires trigger blanket of smog Though pollution levels were well within permissible limits on Monday in the city, nearly 20 domestic and international flights were rescheduled and two were cancelled owing to smoke from the bonfires lit during the Bhogi festival and the early …

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