Search results
Results from the WOW.Com Content Network
The January 2024 version of the WHO database contains results of ambient (outdoor) air pollution monitoring from almost 5,390 towns and cities in 63 countries. Air quality in the database is represented by the annual mean concentration of particulate matter (PM10 and PM2.5, i.e. particles smaller than 10 or 2.5 micrometers, respectively). [1 ...
An air quality index (AQI) is an indicator developed by government agencies [1] to communicate to the public how polluted the air currently is or how polluted it is forecast to become. [2] [3] As air pollution levels rise, so does the AQI, along with the associated public health risk. Children, the elderly and individuals with respiratory or ...
Prominent cities of NCR include Delhi, Faridabad, Ghaziabad, Gurgaon and Noida. The NCR is a rural-urban region, with a population of over 46,069,000 and an urbanisation level of 62.6%. [3] As well as the cities and towns, the NCR contains ecologically sensitive areas like the Aravalli ridge, forests, wildlife and bird sanctuaries. [6]
The survey, the first for the Swachh Bharat Mission, was conducted by the Quality Council of India (QCI) and was named Swachh Sarvekshan. It covered all state capitals and another 53 cities with a population of above one million. It involved three streams of data collection - interaction with municipal body, direct observation and citizen feedback.
Greater Noida is a planned city located in the Gautam Buddha Nagar district of the Indian state of Uttar Pradesh. [7] Established in 1991 under the UP Industrial Area Development Act of 1976, it is part of the National Capital Region (NCR) and serves as an extension to the city of Noida.
In November 2016, in an event known as the "Great Smog of Delhi", the air pollution spiked far beyond acceptable levels. The levels of PM2.5 and PM 10 particulate matter hit 999 micrograms per cubic meter, well above their respective 24-hour peak limits of 15 and 60 micrograms per cubic metre. [17]
Air Quality Index (AQI) is a number used to communicate the level of pollution in the air and it essentially tells you the level of pollution in the air in a given city on a given day. The AQI of Delhi was placed under the "severe-plus category" when it touched 574, by the System of Air Quality and Weather Forecasting And Research. [ 49 ]
Delhi, [a] officially the National Capital Territory (NCT) of Delhi, is a city and a union territory of India containing New Delhi, the capital of India.Straddling the Yamuna river, but spread chiefly to the west, or beyond its right bank, Delhi shares borders with the state of Uttar Pradesh in the east and with the state of Haryana in the remaining directions.