Major Air Pollutant

A main pollutant of ambient air, i.e., carbon monoxide, nitrogen oxides, ozone, particulate matter, sulphur dioxide and, where it is not tightly regulated, lead
References in periodicals archive ?
The findings, published in the journal Annals of the American Thoracic Society, showed that individual risk factors played a more significant role in the development of ACOS than exposure to fine particulate matter, a major air pollutant that because of its microscopic size penetrates deep into the lungs.
However, on the road, the same cars emitted up to 40 times more nitrogen dioxide and nitrogen oxides (NOx), a major air pollutant.
Figures 2 shows correlation coefficients (r) between the monthly respiratory diseases (rd), the major air pollutant ([PM.sub.10], S[O.sub.2], N[O.sub.2], and [O.sub.3]) concentrations, wind speed and temperature.
The sustainability of our future depends that how quickly and effectively we get control on the harmful effects of PM which has emerged as a major air pollutant. In this regard urgent need is to cut short the use of private vehicles replacing with good quality public transport to reduce smoke and other toxic gasses poduced during incomplete combustion.
Epidemiological research suggests that there is no threshold at which health effects do not occur,` he said.According to him, experts recognised (particulate matter) PM2.5 from the coal dust as a major air pollutant and health hazard.Violation of law Replying to questions on coal terminal`soperation, director general of the Sindh Environment Protection Agency (Sepa) Naeem Ahmed Mughal said that though he had `informal knowledge` about the terminal, the KPT was operating the facility in violation of law as the organisation had never sought approval for the project from the provincial department.`The KPT is violating both the federal and provincial environmental laws.
Burning fuel with sulphur produces sulphur dioxide, a major air pollutant. The Chinese capital Beijing has already started to implement the new standard but other cities will have a "grace period" until the end of 2017, the official Xinhua news agency said separately.
China said yesterday that its efforts to improve the environment were starting to show results, after emissions of a major air pollutant fell.
1 : a triatomic, very reactive form of oxygen that is a bluish irritating gas of pungent Odor, that is formed naturally in the atmosphere by a photochemical reaction and is a major air pollutant in the lower atmosphere, but a beneficial component of the upper atmosphere, and that is used for oxidizing, bleaching, disinfecting and deodorizing 2 : pure and refreshing air <relished the ozone of morning>
The team's diagnosis: acid soil conditions leading to nutritional imbalance (magnesium deficiency and manganese toxicity), along with ozone - a major air pollutant.
Carbon is a major air pollutant, and air pollution is a costly problem in many urban areas of the United States, contributing to lung, throat, and eye irritation; respiratory and heart disease; and cancer.
NOx is a major air pollutant, also present in vehicle exhaust fumes, and known to cause heart disease and respiratory illness.
KARACHI -- Long-term exposure to the major air pollutant PM2.5 increases the risk of diabetes, an international study conducted in China has found, linking pollution to a health risk rarely talked about.
Full browser ?