What is the current air quality in India?
Ambient Air Quality Standards in India
|Pollutant||Time Weighted Average||Concentration in Ambient Air|
|Ozone (O3) µg/m3||8 hours* 1 hour**||100 180|
|Lead (Pb) µg/m3||Annual* 24 hours**||0.50 1.0|
|Carbon Monoxide (CO) mg/m3||8 hours* 1 hour**||02 04|
|Ammonia (NH3) µg/m3||Annual* 24 hours**||100 400|
Which city has worst AQI in India?
List of most-polluted cities by particulate matter concentration
Which is the most polluted city in India 2021?
Delhi tops the list of capital cities with the highest average annual PM2.5 concentration, as per the 2021 World Air Quality Report. This is out of a list of 107 cities in the world. The report said: “India was home to 11 of the 15 most polluted cities in Central and South Asia in 2021.
What is air quality index of India UPSC?
Air Quality Index
|Air Quality Index||Category|
How AQI is calculated?
Our air quality index is calculated based on averages of all pollutant concentrations measured in a full hour, a full 8 hours, or a full day. To calculate an hourly air quality index, we average at least 90 measured data points of pollution concentration from a full hour (e.g. between 09:00 AM and 10:00 AM).
WHO releases AQI India?
The National Air Quality Index (AQI) in India was launched on 17 September 2014 in New Delhi under the Swachh Bharat Abhiyan by the Environment Minister Shri PrakashJavadekar. The air quality index is composed of 8 pollutants ((PM10, PM2. 5, NO2, SO2, CO, O3, NH3, and Pb).
Where is the cleanest air in India?
Where is the cleanest air in India? The cleanest city in India is Satna in the state of Madhya Pradash with a 2019 PM2. 5 reading of 15.5µg/m³ and a US AQI figure of 58. The next cleanest city was Kumbhori in the state of Maharashtra with a figure of 20.3µg/m³.
Which AQI is best for health?
AQI values at and below 100 are generally considered to be satisfactory. When AQI values are above 100, air quality is considered to be unhealthy, at first for members of populations at greatest risk of a health effect, then for the entire population as AQI values get higher (greater than 150).
WHO launched Sameer app?
The GoI has launched the “Sameer App” to deal with which of the following? Notes: Sameer is an APP that provides hourly updates on the National Air Quality Index (AQI) published by CPCB. Air Quality Index is a tool for effective communication of air quality in a single number, nomenclature and colour.
What are the 5 major air pollutants?
5 Major Outdoor Air Pollutants
- Ozone (O3)
- Nitrogen Oxides (NOx)
- Carbon Monoxide (CO)
- Sulfur Dioxide (SO2)
- Particulate Matter (PM10 and PM2.5)