Delhi can’t breathe! The thick grey haze that has enveloped the National Capital Territory has left the whole of India worried. Recently, Delhi’s Air Quality Index shot up to 498 (very severe). Bad air quality can adversely affect the health of people. Delhi is in the middle of a climate emergency.
What has triggered it? And how can the residents of Delhi save themselves from pollution? Read on to find out.
The primary cause of Delhi’s ‘hazard’ levels of pollution is the burning of stubble (the stalks of the crops after they are harvested) in agricultural fields. This happens extensively in Delhi’s neighbouring states, Punjab and Haryana. The wind carries the thick smoke from burning stubble towards Delhi and worsens its air quality.
A few other factors causing pollution in Delhi are-
The risk of death significantly increases with long term exposure to polluted air. For instance, people susceptible to heart diseases are at higher risk.
Dr. M.G. Kartheeka, MBBS, MD
Delhi’s pollution levels are indeed a health emergency. Every year during November and December, Delhi’s PM2.5 (pollutant particles with a radius of 2.5 micrometres) level hovers around 300 – the normal range of PM2.5 level is 0-50. This puts Delhi in the ‘severe’ category when it comes to air pollution.
These particles directly enter our bloodstream through the lungs and cause severe damage. PM2.5 concentration in Delhi is currently 29.2 times the WHO annual air quality guideline value
It may also lower people’s immunity and increase the risk of diabetes, heart disorders, lung diseases and epilepsy.
According to the World Health Organisation, the rising levels of pollution is responsible for nearly one-third of the cases of stroke, heart disorders and lung cancers in Delhi.
Both short- and long-term exposure to air pollution can lead to a wide range of diseases, including chronic obstructive pulmonary disease, trachea, bronchus and lung cancers, aggravated asthma and lower respiratory infections. Children and adolescents are particularly vulnerable because their bodies, organs and immune systems are still developing.
Dr. Ashish Bajaj – M.B.B.S, M.D.
Air pollution is also linked to lung damage and limited lung function. Air pollution can also have an inflammatory effect on the heart – it can elevate blood pressure and aggravate pre-existing conditions of the heart.
Dr. M.G. Kartheeka, MBBS, MD
We can implement the following tips to minimise our exposure to pollution:
Consult a doctor if you experience symptoms like –
Air pollution in Delhi poses a risk to everyone. Adopt the precautionary measures mentioned above to keep yourself safe from pollution’s harmful effects. People with pre-existing respiratory illnesses (asthma, COPD, pneumonia, etc), pregnant women and newborns need extra care and protection from pollutants.
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