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The article discusses the severe air pollution crisis in Delhi, India caused by various factors including vehicle emissions, construction dust, and agricultural practices, with detrimental effects on the health and daily life of the city's residents.

The article provides information on the deployment of a satellite called TEMPO that will continuously monitor air pollution over North America, providing hourly updates on nitrogen dioxide pollution.

The article focuses on the deteriorating air quality in New York due to smoke from wildfires, highlighting the alarming effects of the smoke on the city's residents.

The article reports on decline of traffic on roads and highways as the outbreak of coronavirus has forced people to stay at home and mentions decline in the atmospheric level of nitrogen dioxide which are influenced by car and truck emission in Los Angeles, California.

The article reports on the estimated vehicle emissions in Bangkok, Thailand that form smog and the citizens are criticizing the government.

The article focuses on the smog appeared during the winter season in Tehran, Iran. Topics discussed include the air pollution in the region, the health risks associated with the pollution such as bone marrow and lung cancer, and the recommendations for Iranians to wear protective gas masks and drink lots of milk. Comments from Reza Sharjiee, a prominent hipster socialite, are also included.

The article states that Beijing, China, was in an environmental state of emergency on December 8, 2015, due to the poisonous air quality of the smog-filled sky that prompted the Chinese government to issue a red alert over air pollution.

The article reports on the toxic fog in New Delhi, India in October 2-018 caused by vehicle fumes, dust and smoke from agricultural fires.

The article reports on the contributions of the formaldehyde emissions, from chemical and oil refineries and vehicles, to the wintertime smog in China and mentions the importance of controlling the emissions to improve the quality of air in the country.

The article discusses the aftermath of the fire season in Los Angles, U.S. including smog, humidity, and health conditions. According to the author many areas are affected by the fire which include Southern California, Santa Monica Mountains, and Florida. It is suggested that firefighters and aircraft's are trying to take control over the fire.

The article discusses the possible public health effects and risks caused by German auto maker Volkswagen's installation of computer software that permitted 11 million Volkswagen vehicles with diesel engines to emit more pollutants than allowed by government regulations. According to the article, emissions from Volkswagen diesel cars include nitrogen oxides (NOx) that have been linked to several cardiovascular and respiratory illnesses and can turn into ground-level ozone, particle pollution, and smog.

The article reports the effects of smog on the people and the environment in Delhi, India, the decisions taken by the officials, and level of pollution in Delhi according to the World Health Organization.

The article reports on the research by the Chinese government on the impact of climate change in the worsening of smog pollution in China.

The article reports on the protests organized by Mongolians to demand government's response to address the problem of smog in Ulan Bator, Mongolia and its impact on public health and mentions that the pollution was resultant effect of the burning of polluting fuels.

The article reports on the surge of air pollution in Warsaw, Poland on January 8, 2017 as smog levels are noted breaking record set in the country after it puts in place an air pollution monitoring system.

The article reports on the threatening levels of smog in the southern part of China, including Hong Kong, as weather patterns drift the bad air into the region.

The article discusses riak of air pollution in Alaska and mentions topics including views of veterinarian and air quality volunteer Dr. Jeanne Olson on pollution resulting from wood stoves, increase in ground-level ozone smog, and risk to public health due to pollution.

The article reports that despite the spread of smog across northern China, and the government's notice to the schools in the town of Linqi to cancel classes to protect children, the Linqi Number One Middle School has decided to hold its exams outside the town.

The article reports that in China, the meteorological officials have classified smog as a natural calamity, and have included it in the Beijing Municipal Meteorological Disaster Prevention Statute in 2016.

The article reports on the smog from air pollution in New Delhi, India which leaves residents cower by air purifiers and prompted the closure of schools, providing information on the health effects of the thick smog and the response of the city government to the problem.

Several letters to the editor are presented in response to the articles including "How to Rein In Wall Street" in December 7, 2015 issue, "Smog So Thick, Beijing Comes to a Standstill" in December 9, 2015 issue, and "Court Skeptical of Weighing Race in College Entry" in December 10, 2015 issue.

The article focuses on red alert issued by the government of Beijing, China on December 7, 2015 to people to protect themselves from toxic smog discusses topics such as demand of fundamental solutions for the same by people and views of law professor Alex Wang on the alert issued.

The article reports on red alert issued by Beijing, China regarding smog blanket over the city and mentions temporary restrictions include closing of schools, driving cars on alternate days according to license plate numbers and banning of fireworks.

The article offers information on TX Active, a cement developed by the company Italcementi that is effective in controlling atmospheric smog. It reports that the cement consists of titanium dioxide which neutralizes the pollutants present in the environment, through the process of oxidation. It presents views of Enrico Borgarello, head of Italcementi's research and development department on TX Active. Also mentioned is the research, investigating pollution controlling properties of the cement.

Focuses on air pollution in Southern California. Reference to smog problems of the 1950s; How the drive to clean California's air has reshaped the region's politics and made Los Angeles an international leader in its expertise; Observation that consistently healthy air for Southern Californians remains out of reach; Improvements in the area's ozone pollution; Concerns of scientists over diesel emissions from ships, locomotives and trucks; Background on the state's strict regulations; History of Southern California's fight against air pollution; Challenges regulating trains and container ships; The cost of cleaning up; Highest risk areas; Outlook.

The article reflects on the need to amend U.S. Clean Air Act, and mentions the U.S. Environmental Protection Agency's regulations on smog and its initiative to reduce greenhouse gases from power plants along with the need for the U.S. presidential candidates to collaborate on environmental issues.

The article discusses a new regulation on smog-causing emissions released by the administration of U.S. President Barack Obama in which the Environmental Protection Agency set new standard for ozone at 70 parts per billion, and efforts of business and manufacturing lobbies to weaken the standard.

The article focuses on the proposed environmental regulation on smog from the U.S. Environmental Protection Agency (EPA) under the administration of President Barack Obama which would affect power plants and factories across the Midwest U.S.

The article reports on the statement of China's Premier Li Keqiang who vowed on March 15, 2015 to impose heavier punishments to cut toxic smog

The article focuses on the need to change the attitude of Chinese as a response to address the hazardous smog in Harbin, China.

The article reports on the tremendous effects of extreme smog air pollution that occurs in Harbin, China, which canceled school and paralyzed traffic in the area.

The article reports that the high levels of smog has caused delays in the LPGA Classic held in Beijing, China.

The article reports that the cabinet of China has adopted 10 measures for the improvement of air quality in a move to respond to the dense smog in Beijing and other cities of the country.

The article focuses on the worsening condition of pollution problems in India. It notes the difficulty of the government officials in the country to reconcile the rapid economic growth with environmental safeguards despite the host of emission standard policies in place. It also mentions the recommendation of the environmentalists for the government to impose hefty tax on diesel vehicles, increase parking charges, and require upgrades on public transportation system to address the problem.

HONG KONG -- After years of choking smog that stings the eyes and burns the lungs, regularly documented by an air sensor at the American Embassy in Beijing that posts the results hourly on Twitter, the Chinese government took a strong position on the issue on Tuesday. Wu Xiaoqing, the vice minister for environmental protection, demanded that foreign governments stop releasing data on China's air. [ABSTRACT FROM AUTHOR]

California, long a leader on clean air and other environmental issues, is doing good things again. The state's powerful Air Resources Board has issued new rules that, when finally approved, will lead to many fewer smog-causing pollutants, fewer greenhouse gases and, in time, encourage the auto industry to build millions more emissions-free cars and trucks, including a new generation of all-electric or hydrogen-powered vehicles. For historical reasons -- including its own severe pollution problems -- California has been allowed to write its own clean air rules, as long as it gets a waiver from the federal government. The results have been hugely beneficial for all. California's clean air rules in the 1970s helped lead to nationwide use of the catalytic converter. A 2002 California law requiring cuts in carbon-dioxide emissions from automobiles led to the aggressive fuel efficiency standards approved by President Obama. [ABSTRACT FROM AUTHOR]

When California's air regulators approved new car-pollution rules to cut down on smog and global warming, they included a provision that critics described as a loophole that could substantially reduce the number of electric vehicles sold in the state in coming years. Under the new Advanced Clean Cars Program rules, approved last month, automakers will be required, beginning in 2018, to sell an escalating number of automobiles and light vehicles in California that can run on electricity, fuel cells or other zero-tailpipe-emission technologies. [ABSTRACT FROM AUTHOR]

An article last Saturday about air pollution in China misstated a government claim concerning air quality in Beijing, a city that is often blanketed in smog. Officials reported that Beijing had 286 ''blue sky'' days in 2011, and they noted that was the same number as the previous year; they did not say there were 274 such days or describe those days as a record. [ABSTRACT FROM AUTHOR]

BEIJING -- Weary of waiting for the authorities to alert residents to the city's most pernicious air pollutant, citizen activists last May took matters here into their own hands: they bought their own $4,000 air-quality monitor and posted its daily readings on the Internet. That began a chain reaction. Volunteers in Shanghai and Guangzhou purchased monitors in December, followed by citizens in Wenzhou, who are selling oranges to finance their device. Wenzhou donated $50 to volunteers in Wuhan, 140 miles inland. Officials have claimed for years that the air quality in fast-growing China is constantly improving. Beijing, for example, was said to have experienced a record 274 ''blue sky'' days in 2011, a statistic belied by the heavy smog smothering the city for much of the year. [ABSTRACT FROM AUTHOR]

BEIJING -- Capital International Airport in Beijing was forced to cancel hundreds of flights on Monday because of heavy smog and weather conditions. The cancellations were the latest sign that pollution in China's largest cities, among the worst in the world, is leading to significant economic losses. Monday's air quality index from the United States Embassy's air monitoring equipment in central Beijing measured more than 300, which is categorized as ''hazardous.'' On Sunday, the index hit the maximum of 500. [ABSTRACT FROM PUBLISHER]

President Obama's decision in September to scuttle stricter national standards for smog may well go down as the worst environmental decision of his administration -- unless, of course, even more damaging retreats lie ahead. The decision was a setback for public health, a victory for industry, which had lobbied strongly against the standards, and a public embarrassment for the administrator of the Environmental Protection Agency, Lisa Jackson, who had proposed them. The White House insisted that the decision had been made on the merits and that the standards would throw people out of work by burdening industry with costly new rules at a time of economic uncertainty. It also insisted that industry pressure and politics did not play a role. Finally, it argued, the rules could be revisited and strengthened in two years (after the election), when new science would be available. [ABSTRACT FROM AUTHOR]

The Environmental Protection Agency on Thursday proposed easing new pollution restrictions that have angered several states and infuriated Gov. Rick Perry of Texas, a Republican presidential contender. The proposed change to the cross-state pollution rule would allow 10 states, especially Texas, to emit more smog-causing pollution than had initially been permitted. The rule is designed to decrease smokestack emissions in 27 states that contribute to unhealthy air downwind. Al Armendariz, an E.P.A. regional administrator, said the agency's decision had to do with new data and noted that no changes had been made to the compliance calendar Texas criticized. The changes will also ease the restrictions for Florida, Louisiana, Michigan, Mississippi, Nebraska, New Jersey, New York, Wisconsin and Arkansas. [ABSTRACT FROM AUTHOR]

PINEDALE, Wyo. -- Strong sun, not too much wind, a good thick snow pack: sounds like a perfect late winter's day in a remote rural Western valley rimmed by snaggle-topped mountains. But that has also been the stage set for the worst ozone pollution event here in three years -- in one of the places people might least expect. The nearest metropolis, Salt Lake City, is 180 miles away, and the usual smog suspects -- cars, trucks, factories, indeed people in general -- are few and far between in a county of only 8,800 residents. [ABSTRACT FROM PUBLISHER]

Earlier this year, the Environmental Protection Agency proposed a stricter nationwide health standard for smog-causing pollutants that would bring substantial benefits to millions of Americans. With a final rule expected by the end of this month, crucial senators, mainly from industrial and oil-producing states, are pushing back. They say investments required to produce cleaner air are too expensive and not scientifically justified. Lisa Jackson, the E.P.A. administrator, needs to stick to her guns. This is only the first of several political tests to come this fall, as she also seeks to tighten rules governing individual pollutants like mercury and global warming gases like carbon dioxide. [ABSTRACT FROM AUTHOR]

A photograph is presented which features heavy smog coming from peat fires outside Moscow, Russia, hung over Red Square.

GREEN groups were full of praise on Thursday for the Environmental Protection Agency after it proposed the strictest standards to date for smog. Although auto tailpipes have historically been a major source of smog, the auto industry said that it had largely dealt with that issue. Ground-level ozone reductions, the carmakers said, were more likely to come from stationary sources like power plants. [ABSTRACT FROM PUBLISHER]

The Environmental Protection Agency on Thursday proposed a stricter standard for smog-causing pollutants that would bring substantial health benefits to millions of Americans while imposing large costs on industry and local governments. The standard would replace one set by the Bush administration in March 2008, which has been challenged in court by state officials and environmental advocates as too weak to adequately protect human health and the environment. [ABSTRACT FROM PUBLISHER]

The Caldwell Express sprints between this high-desert capital and its outermost exurb. The express bus seats 40 people, but sometimes it is standing room only for the 23-mile trip. And there is no reason to wait for the next bus: the Caldwell Express runs each way just once a day. ''If you don't make it,'' said Sonia Johnson, waiting at one of the main downtown bus stops on a recent day after work, ''you're toast.'' [ABSTRACT FROM PUBLISHER]

A noxious cocktail of soot, smog and toxic chemicals is blotting out the sun, fouling the lungs of millions of people and altering weather patterns in large parts of Asia, according to a report released Thursday by the United Nations. The byproduct of automobiles, slash-and-burn agriculture, cooking on dung or wood fires and coal-fired power plants, these plumes rise over southern Africa, the Amazon basin and North America. But they are most pronounced in Asia, where so-called atmospheric brown clouds are dramatically reducing sunlight in many Chinese cities and leading to decreased crop yields in swaths of rural India, say a team of more than a dozen scientists who have been studying the problem since 2002. [ABSTRACT FROM PUBLISHER]

When the killer smog rolled into town here in October 1948, 12-year-old Joann Crow thought it was an adventure. ''Dad couldn't drive us to school because it was so hard to see,'' said Mrs. Crow, now 72. ''He had to walk us to school that Wednesday with a flashlight, which we thought was fun.'' [ABSTRACT FROM PUBLISHER]