(local time)SEE WORLD AQI RANKING
|1||Municipal Party School|
|2||He Normal University|
|3||Environmental Protection East Hospital|
|4||Environmental Protection West Hospital|
|5||Administrative Service Center|
(local time)SEE WORLD AQI RANKING
live AQI index
|Air pollution level||Air quality index||Main pollutant|
|Moderate|| 74 US AQI||PM2.5|
|PM2.5|| 23 µg/m³|
|PM10|| 67.5 µg/m³|
|O3|| 125 µg/m³|
|NO2|| 29 µg/m³|
|SO2|| 8 µg/m³|
|CO|| 550 µg/m³|
PM2.5 concentration in Xinxiang air is currently 2 times above WHO exposure recommendation
|Close your windows to avoid dirty outdoor air|
|Sensitive groups should reduce outdoor exercise|
|Friday, Jun 18|
Moderate 60 US AQI
|Saturday, Jun 19|
Moderate 73 US AQI
|Sunday, Jun 20|
Moderate 68 US AQI
|Monday, Jun 21|
Moderate 85 US AQI
Unhealthy for Sensitive Groups 125 US AQI
|Wednesday, Jun 23|
Unhealthy for Sensitive Groups 128 US AQI
|Thursday, Jun 24|
Unhealthy for Sensitive Groups 123 US AQI
|Friday, Jun 25|
Unhealthy 176 US AQI
|Saturday, Jun 26|
Unhealthy 182 US AQI
|Sunday, Jun 27|
Unhealthy 178 US AQI
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Xinxiang is a prefecture-level city in northern Henan province, China. As such, it administers 4 districts, 3 county-level cities and 5 counties. In a 2010 census, the population was estimated to be 5.7 million out of which 2.6 million were seen to be living in the metropolitan areas. This figure will now be considerably more. Some of the key industries here are textiles and food processing. It also has many heavy industries involved in machine making. Tying in with the textile industry, Xinxiang also has a well-developed cotton industry.
During the second quarter of 2021, Xinxiang was experiencing a period of air quality that was classed as being “Unhealthy for sensitive groups” with a US AQI reading of 127. This United States Air Quality Index figure is an internationally recognised standard by which air pollution can be compared under similar circumstances. It also follows guidelines from the World Health Organisation (WHO).
There are often six main pollutants that are measuring and used as a benchmark when comparing like for like. The recorded concentration levels of the pollutants in Xinxiang were as follows: PM2.5 - 46 µg/m³, PM10 - 87 µg/m³, ozone (O3) - 74 µg/m³, nitrogen dioxide (NO2) - 18 µg/m³, sulphur dioxide (SO2) - 8 µg/m³ and carbon monoxide (CO) - 450 µg/m³. When concentrations are at this level, the advice given is to stay at home and close doors and windows to prevent more dirty air from entering the rooms. Those people who are extra sensitive to air pollution should avoid going outdoors until the situation improves. The current state of the air can be found at the top of this page.
Air pollution can and is affected by many variables and, as such, can easily change over the course of a day let alone longer.
The figures have now been released by the Swiss monitoring company IQAir for 2020. It can be seen that the air quality varies according to the seasons of the year. The period of time for the cleanest air was during the warmer summer months from May until the end of September when the quality was classed as being “Moderate” with figures between 12.1 and 35.4 µg/m³. Late winter and early spring saw a decline in quality with a classification of “Unhealthy for sensitive groups” when figures were between 35.5 and 55.4 µg/m³. The worst air quality could be found during the cold winter months from October until the end of January when the air quality was classified as being “Unhealthy” with readings between 55.5 and 150.4 µg/m³.
Records have been kept since 2017 when the average annual figure was 66.4 µg/m³. It can be seen that the air quality is slowly improving. In 2018 the mean figure was 61.4 µg/m³ before dropping yet again to 55.7 µg/m³ in 2019. Another reduction was recorded for 2020 with a 51.5 µg/m³ reading. This figure could be artificially low though because of the COVID-19 pandemic when travel was restricted and some industrial activity was halted in order to prevent the spread of the virus.
As is the case with most large cities throughout the world, the main source of air pollution comes from industrial emissions, exhaust fumes from vehicles and dust blown in from neighbouring areas.
PM10 pollution occurs everywhere during strong winds, and the dust pollution in the upstream area will aggravate the pollution in the downstream area. At the same time, the high-altitude floating dust generated seriously affects the air quality of the entire region. Once the wind speed or direction changes it can radically alter the level of air pollution and because it is a natural occurrence, nothing much can be done to stop it.
Farmland controlled by the municipality was also noted for heavy metal contamination by leading China news site Caixin, as the epicentre of Chinese battery (nickel cadmium) producers.
For ozone pollution control, Xinxiang City will mainly take the following measures: launch a large publicity campaign to make residents aware, large-scale investigation and large-scale rectification of special actions. Carry out special rectification for the detected industrial process exhaust gas, motor vehicle exhaust, catering oil fume, gas station, construction site and road dust, etc.; carry out special treatment actions for ozone pollution, implement comprehensive VOCs management, and guide the green development of enterprises; strengthen navigation.
People-orientated, prevention first. Regarding the protection of the people’s health as the main reason for dealing with heavily polluted weather, strengthen daily monitoring and management, focus on improving the ability to respond to heavily polluted weather, ensure that the emission of various pollutants reaches the corresponding emission reduction ratio, and effectively exert the emission reduction effect to the greatest extent in order to mitigate the harm caused by heavily polluted weather.
Scientific early warning and timely response. Strengthen the monitoring of air pollution sources, accurately grasp the changing trend of atmospheric environmental quality, establish and improve the monitoring and early warning, consultation and judgment, emergency response, supervision and scheduling mechanism of heavily polluted weather and actively and effectively respond to the situation.
The harm caused by air pollution to the human body has been widely known, but recently there is new evidence that the harm caused by pollution to the human body is more serious than previously known, especially to children.
The most obvious of pollution is the impact on the respiratory system, which makes those with asthma particularly vulnerable.
Air pollution can exacerbate other respiratory diseases, including emphysema and chronic bronchitis. At the same time, studies have shown that lung cancer is also related to air pollution.
When harmful particles suspended in the air enter the lungs of the human body through the respiratory tract, they reach the alveoli, and then are transported to the whole body as oxygen enters the blood system.
It is currently known that PM2.5 particles are small enough to enter the cardiovascular system and circulate in the human body. This means that it may block arteries and increase the risk of stroke and heart disease. Not only that, there is evidence that these particles may reach the brain, so researchers are investigating the effects of pollution on dementia (commonly known as Alzheimer's disease).