<p>It is evident that as compared to lockdown period, air quality in terms of Air Quality Index has remained ‘Satisfactory’ during modified lockdown period at all the towns except at Jodhpur
Air Quality Index (AQI)
<p>There are several methods to communicate the use of different environmental quality parameters. This research communication discusses the use of Air Quality Index (AQI) describing air pollution in Choudwar area. AQI is computed for ten air quality sampling stations in the Choudwar area within the radius 10 kms from the core zone.
<div>For the city of Delhi, an air quality index methodology was proposed and applied for six criteria pollutants - PM10, PM2.5, CO, NOx, SO2, and Ozone and analyzed for trends in the past three years of data. The AQI is reported on a scale of 0 to 500 and subdivided into six colored bins for easy understanding of the common person and the media.