|7||Sikandarabad, Uttar Pradesh|
|9||Loni, Uttar Pradesh|
|10||Siliguri, West Bengal|
(local time)SEE WORLD AQI RANKING
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Unhealthy for Sensitive Groups
|Air pollution level||Air quality index||Main pollutant|
|Unhealthy for Sensitive Groups|| 114 US AQI||PM2.5|
PM2.5 concentration in Alipur is currently 8.2 times the WHO annual air quality guideline value
|Monday, Aug 8|
Unhealthy for Sensitive Groups 119 US AQI
|Tuesday, Aug 9|
Moderate 91 US AQI
|Wednesday, Aug 10|
Moderate 70 US AQI
|Thursday, Aug 11|
Moderate 61 US AQI
Unhealthy for Sensitive Groups 114 US AQI
|Saturday, Aug 13|
Moderate 92 US AQI
|Sunday, Aug 14|
Unhealthy for Sensitive Groups 102 US AQI
|Monday, Aug 15|
Unhealthy for Sensitive Groups 121 US AQI
|Tuesday, Aug 16|
Unhealthy for Sensitive Groups 108 US AQI
|Wednesday, Aug 17|
Moderate 86 US AQI
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Alipur has shown some high levels of air pollution on record over the past few years, as with many cities in the region. In mid-January of 2022, Alipur presented with a US AQI reading of 194, placing it into the 'unhealthy' air quality rating bracket, and has many other days before this on record with readings going as high as 373, which would put the air quality level into the ‘hazardous’ range. As such, there will be many days of the year in which the air quality in Alipur can be particularly harmful, and US AQI and PM2.5 readings should be monitored to be aware of when the is particularly permeated with soot, haze and other polluting clouds of smoke.
Alipur has many varied air pollution sources, occurring both within the city as well as outside of the city limits, with neighboring towns and cities also being affected by similar pollution sources. Due to wind currents (which can make pollution levels significantly worse during certain times of the year), smoke and dust can be blown in from other districts of Delhi, particularly when larger amounts of soot and haze have accumulated, due to the many different polluting activities taking place. Some of these activities include the burning of crops, or stubble burning as it is more commonly referred to as in India, although this is far more prevalent in other areas throughout the country. Low-income districts, as well as rural areas outside of the city, can also produce large amounts of pollution via human activity, with households resorting to traditional methods of cooking or heating by burning material such as dried animal dung, firewood and charcoal within Alipur. The combustion of these materials can release many different pollutants, with ones such as black carbon, volatile organic compounds and the various oxides of nitrogen being emitted into the air and upper atmosphere. Other major sources include vehicle emissions, along with road repairs or construction sites. Many areas that see the mass disturbance of earth, or have large clouds of fine particles thrown up into the air are prominent sources of extremely harmful particulate matter, and with lack of stringent regulations, can cause the air to become heavily tainted by dust and other fine particle clouds.
Continuous exposure to higher concentrations of pollution in the air in Alipur can cause many dangerous or adverse health conditions to occur, being of particular prominence to certain individuals who are part of the sensitive group demographic, also covered later in the article. Despite certain groups being more at risk, it is well-known that even healthy or physically fit adults may find themselves on the receiving end of the negative side-effects caused by polluted air in Alipur, particularly if this exposure is of a higher magnitude or takes place over a longer period, a factor that may be very important to note for those that find themselves living near to much more highly polluted areas such as industrial districts or near busy roads, whereby the air quality will be poorer, and hazardous particles more prevalent in the atmosphere for much of the year. A larger number of ailments can present themselves amongst inhabitants, as a result, would more common short-term conditions such as dry or sore throat with accompanying cough, as well as chest pain and mild infections of the respiratory tract. These can usually get better on their own accord once pollution exposure is halted or lessened. These count as some of the less serious but more common health issues within Alipur. With continuous air pollution exposure taking place, respiratory aggravation may also develop into more long-term, chronic health problems. The continuous chest infections sustained as well as the accompanying coughing can lead to the scarring of lung tissue, which can result in a significantly (and often permanent) decreased lung capacity. As well as this, the scarring or damage and inflammation to the tissue of the lungs can make one more vulnerable to a whole host of respiratory distress, with chronic obstructive pulmonary disease (COPD) presenting itself. This is an umbrella term that refers to a multitude of different lung and respiratory tract conditions, typically resulting in shortness of breath as well as making an individual at greater risk of severe damage from pollution exposure. Some further conditions that fall under the COPD bracket are one such as pneumonia, bronchitis, emphysema as well as asthma. Other forms of damage that can happen within the body include increased risk of cancer, heart attacks, strokes and arrhythmias, as well as ischemic heart disease and many other cardiac or pulmonary conditions that can bring about decreased quality of life as well as lower life expectancy in Alipur.
Some examples of the more common pollutants that can be found in areas around Alipur as well as throughout the rest of India include ones that mainly stem from the large number of combustion sources present. Open burn fires, combustion from vehicle engines as well as boilers in factories and other similar industrial sites are counted amongst some of the more prominent causes of polluted air in Alipur. Whilst the aforementioned open burn fires, or stubble burning practices (as well as the burning of trash and other waste or refuse) as it is more commonly referred to, are of much greater concern areas that have a higher concentration of farmland within the country, they can still be found around various areas of the greater Delhi region, and can cause large amounts of pollutants such as volatile organic compounds (VOCs) and black carbon to be released into the atmosphere, along with the other pollutants that go into calculating the US AQI aggregate. The chemicals used to calculate this US AQI figure include nitrogen dioxide, sulfur dioxide, carbon monoxide, ozone, as well as the two main forms of particle pollution, PM2.5 and PM10. Of these two, the smaller PM2.5 is well known as the far more dangerous, due to its minute size of 2.5 micrometers or less in diameter allowing it to bypass the bodies defense systems and lodge deep within the tissue of the lungs (with more on this being discussed in the following health issues question). PM2.5 and some forms of PM10 can consist of materials such as water droplets and vapor, along with a variety of other liquids that can be aerosolized. Other materials include mold and fungal spores, bacteria, metals, nitrates and sulfates, along with finely ground silica dust, which can have a carcinogenic effect when inhaled. Some examples of the aforementioned VOCs include chemical compounds such as formaldehyde, toluene, methylene chloride, benzene, and a whole host of other chemical compounds that not only maintain a gaseous state at lower temperatures (thus making them easier to breathe), but also have many damaging effects on one’s health. VOCs can be found prevalently around many areas of Alipur, due to their release from a multitude of sources such as fires, cars, factories as well as many household items. VOCs are one of the main sources of indoor air pollution and can be released from products such as glue, paint, varnish, as well as aerosolized products such as deodorant sprays, along with scented candles and other toiletries. These are some of the more prevalent air pollutants that may be found around Alipur, with certain areas such as busy roads and intersections that see a high level of rush hour traffic having higher concentrations of pollutants such as nitrogen dioxide, ozone and black carbon. Extra care should be taken around such areas, and wearing fine particle filtering masks can aid greatly in the reduction of hazardous material inhalation.
Some of the inhabitants of Alipur that are more at risk of suffering from negative health effects from pollution exposure are people such as the elderly, as well as those with compromised immune systems or pre-existing health conditions, with the two usually going hand in hand, being worsened by other factors or comorbidities such as lack of exercise and unhealthy lifestyle, along with other habits such as smoking. Further groups of people that may need to go out of their way to reduce smoke, smog and haze exposure include pregnant women, those with hypersensitivity towards chemical pollutants, as well as young children and babies.