Search results
Results from the WOW.Com Content Network
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 ...
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. [47]
The air quality in Delhi, the capital territory of India, according to a WHO survey of 1,650 world cities, and a survey of 7,000 world cities by the US-based Health Effects Institute in August 2022, [2] is the worst of any major city in the world. It also affects the districts around Delhi. [3][4] Air pollution in India is estimated to kill ...
Bharat stage emission standards (BSES) are emission standards instituted by the Government of India to regulate the output of air pollutants from compression ignition engines and Spark-ignition engines equipment, including motor vehicles. The standards and the timeline for implementation are set by the Central Pollution Control Board under the ...
The Air (Prevention and Control of Pollution) Act was passed in 1981 to regulate air pollution and there have been some measurable improvements. [37] However, the 2012 Environmental Performance Index ranked India at 177th position out of 180 countries in 2018,as having the poorest relative air quality out of 132countries. [38]
According to the Central Pollution Control Board (CPCB) India, in 2015 it conducted a survey of the least polluted cities in India as well, ranked based on air quality. Among the least-polluted cities are Pathanamthitta, Mangalore, Wayanad, Hassan, and Palakkad. The table below shows the ranking of these cities as per the PM10 content in the air.
Environmental Performance Index. The Environmental Performance Index (EPI) is a method of quantifying and numerically marking the environmental performance of a state's policies. This index was developed from the Pilot Environmental Performance Index, first published in 2002, and designed to supplement the environmental targets set forth in the ...
e. The article lists cities in Kerala according to the WHO 's database on ambient (outdoor) air pollution monitoring from almost 1600 cities in 91 countries. [1][2] It includes 124 Indian cities, eight of which are from Kerala. [3][4][5][6][7][8] Rank. City. Particulate matter up to 10 micrometers. (PM10) Particulate matter up to 2.5 micrometers.