Date: February 21, 2015

air Quality Index Particulate Matters SAFAR-Air

 SAFAR-Air: India’s first air quality checking Mobile App

 System of Air Quality Weather Forecasting and Research (SAFAR ) Air is a  new mobile app, is jointly developed by Pune-based Indian Institute of Tropical Meteorology (IITM) and the Indian Meteorological Department (IMD). It has just gone live on the Google Play Store.

At present the App service is available only for Pune and Delhi  and it will be available in Mumbai by April 2015.By 2017 the forecasting services will be extended to cover Chennai, Ahmedabad and Kolkata.



SAFAR has 10 monitoring stations each in Delhi and Pune that gather data on air quality every five minutes.

The app indicates the city’s air quality status on a scale of good to critical. If the air quality is poor, a health advisory will be flashed. The app also gives users information on UV index.

The app will provide current data and a forecast for air quality in the user’s current location through a colour-coded system- green is good, yellow is moderately polluted, orange is poor, red is very poor and maroon is critical.

Users can also share the information from the app.

Air Quality Index- 

The AQI is an indicator of air quality, based on air pollutants that have adverse effects on human health and the environment. The pollutants are ozone, fine particulate matter, nitrogen dioxide, carbon monoxide, sulphur dioxide and total reduced sulphur compounds.




Related terms- 

 Particulate Matters- Particulate matter (PM) includes sulfates, nitrates, ammonia, sodium chloride, black carbon, mineral dust and water. These are considered the most dangerous air pollutants. These can settle deep inside the lungs, making people vulnerable to cardiovascular and respiratory diseases, as well as lung cancer.


Suggested question for mains- 

Air pollution is major cause of concern in todays world. what are major air pollutents and haw they affect human health? also discuss measures to reduce air pollution.(200 words)

Comment on air Quality Index. (50 wards)