AQI Delhi: Navigating The Air Quality Crisis And Solutions

Saugata Dastider
3 min readNov 18, 2023

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“The situation arising out of air pollution in the City is extremely worrying…I appeal to the people to remain indoors as much as possible and to not expose themselves — especially children & elderly…” — Delhi LG VK Saxena.

Title graphic for ‘AQI Delhi: Navigating The Air Quality Crisis And Solutions’ article on www.sdblognation.in, featuring a collage of Delhi’s landmarks within the text ‘DELHI AQI 405,’ set against a hazy cityscape backdrop, symbolizing the high air pollution levels in the city.

Delhi’s AQI: A Call for Urgent Action

As the winter season sets in, Delhi, the national capital of India, finds itself grappling with an environmental crisis that has become a recurring nightmare. The Air Quality Index (AQI) in Delhi, a city sprawling over 1,398 km² and the largest governed by a single municipal corporation in India, has reached alarming levels. The AQI, a measure of air pollution, has consistently placed Delhi among the top cities with the worst air quality in the country. This year, the situation seems to have worsened, casting a shadow over the nation’s image, particularly at a time when India is making significant strides in the global geopolitical arena.

Decoding AQI Delhi: Insights from CPCB’s Air Quality Data

As per the Central Pollution Control Board (CPCB), Delhi recorded an AQI of around 405, categorizing the air quality as ‘Severe’. This marks a significant deterioration from the previous day’s ‘Very Poor’ category, with an average AQI of 468. The lack of rainfall in October and November, which traditionally helped in washing away particulate matter, has contributed to this year’s worsening conditions. Additionally, the increase in farm fires in neighboring states like Punjab and Haryana has further aggravated the situation.

In an ironic twist, the masks once worn for COVID-19 protection are now being repurposed to shield residents from the toxic air. The government is considering unconventional measures such as artificial rain through cloud seeding, scheduled for 20th-21st November, in a bid to mitigate the crisis.

As Delhi confronts this environmental emergency, it’s crucial to delve deeper into the causes, impacts, and potential solutions to this air quality crisis.

Section2: Understanding the Air Quality Index (AQI)

The Air Quality Index (AQI) is a vital tool for summarizing air quality data. It converts complex measurements of various pollutants into a single, understandable index value, complete with a specific nomenclature and color code. This system is designed to make air quality information accessible and easy to interpret for the general public.

CPCB’s Framework: Interpreting AQI

Infographic from ‘AQI Delhi: Navigating The Air Quality Crisis And Solutions’ on www.sdblognation.in, depicting AQI categories as per CPCB. It ranges from ‘Good’ (0–50) to ‘Severe’ (401–500) with associated health impacts, set against a backdrop of industrial smoke, indicating pollution sources.

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Saugata Dastider
Saugata Dastider

Written by Saugata Dastider

Professional engineer deeply interested in the most pressing geo-political, economic and technological issues . http://bit.ly/3K711Cs,

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