Air pollutant concentrations

About: Air pollutant concentrations is a research topic. Over the lifetime, 1652 publications have been published within this topic receiving 36138 citations.

A review of some Specific Air Pollutants and its exposure related to Human Health

Abstract: Air pollution is one of the extremely serious problem now a day, primarily due to development of many metropolitan cities. A large number of urban areas and growing industries resulted air pollution threats ranging from local to global. Recent year have seen an increasing number of air pollution exposure studies by different researcher. In this article, air pollutant and its health impact studies carried out in many countries are reviewed extensively. These pollutant sources includes power plants, industrial units, vehicular traffic, biomass burning, which generate particulate matter (PM 10 and PM 2.5 ), Sulphur dioxide (SO 2), oxides of nitrogen (NOx), carbon monoxide (CO), ammonia (NH 3), ozone (O 3), Volatile organic compounds (VOCs), Polycyclic aromatic hydrocarbons (PAHs) etc. The present review deals with the major air pollutants and their impacts on human health. This paper provides easily understandable and useable information to the general people especially to the people affected by the air pollutants in particular.

Pollution of the air.

Abstract: I N T R O D U C T I O N ALTHOUGH i t is on ly i n r e c e n t y e a r s t h a t t h e sub jec t of a i r p o l l u t i o n h a s b e c o m e of u n i v e r s a l in t e res t , p o l l u t i o n b y coa l s m o k e h a s b e e n a se r ious p r o b l e m in u r b a n a r e a s of G r e a t B r i t a i n for severa l c en tu r i e s . T h e d i a r i s t E v e l y n (1661) in his f a m o u s d i scourse Fumifugium d e s c r i b e d v iv id ly t h e effects of L o n d o n s m o k e o n b u i l d i n g s , fabr ics , c rops , a n d h e a l t h , a n d h e c o n s i d e r e d t h a t : ' t h e i n h a b i t a n t s b r e a t h e n o t h i n g b u t a n i m p u r e mis t , a c c o m p a n i e d w i t h a fu l ig inous a n d filthy v a p o u r , w h i c h r e n d e r s t h e m o b n o x i o u s to a t h o u s a n d i n c o n v e n i e n c e s , c o r r u p t i n g t h e lungs , a n d d i s o r d e r i n g t h e e n t i r e h a b i t of t h e i r b o d i e s ; so t h a t c a t h a r r s , ph th i s i cks , c o u g h s a n d c o n s u m p t i o n s , r a g e m o r e i n this o n e C i t y t h a n i n t h e w h o l e E a r t h bes ides . ' L o n d o n w a s i n d e e d a n u n h e a l t h y c i ty a t t h a t t i m e , b u t t h e phys i c i ans d i d n o t a g r e e w i t h E v e l y n i n b l a m i n g p o l l u t i o n . T h e causes of d e a t h r e c o r d e d i n t h e e a r l y Bills of M o r t a l i t y ( G r a u n t , 1662) w e r e m a n y a n d v a r i e d , a n d it is un l i ke ly t h a t p o l l u t i o n w a s t h e n a n i m p o r t a n t fac tor in m o r t a l i t y .

Impact of COVID-19 on Extremely Polluted Air Quality and Trend Forecast in Seven Provinces and Three Cities of China

Abstract: At the beginning of 2020, COVID-19 broke out. Because the virus is extremely contagious and the mortality rate after infection is extremely high, China and many countries in the world have imposed lockdowns. Air pollutants during the epidemic period have attracted the attention of many scholars. This research is to use predictive models to describe changes in extreme air pollutants. China is the first country in the world to enter the lockdown state. This study uses data from 2015-2020 to compare and predict the concentration of extreme pollutants before and after the lockdown. The results show that the lockdown of the epidemic will reduce the annual average concentration of PM2.5, and the annual average concentration of O3 will increase first and then decrease. Through analysis, it is concluded that there is a synergistic decrease trend between PM2.5 and O3. With the various blockade measures for epidemic prevention and control, the reduction of extreme air pollutant concentrations is sustainable. The assessment of China's air quality in conjunction with the COVID-19 can provide scientific guidance for the Chinese government and other relevant departments to formulate policies.