Air quality across the national capital region (NCR) witnessed considerable improvement on Thursday with favourable weather conditions bringing Air Quality Index (AQI) in the 'Moderate' category.
According to the Ministry of Earth Sciences' air quality monitor System of Air Quality and Weather Forecasting And Research (SAFAR), Delhi recorded an overall AQI of 109 Thursday morning. While an AQI between 50-100 is considered 'satisfactory', 101-200 signifies 'moderate' followed by 201-300 which means 'poor' and 301-400 that is a sign of 'very poor' air quality. An overall AQI between 401-500 is a sign of 'hazardous' air while an overall AQI above 500 leads to 'severe plus emergency' levels of air pollution.
On Thursday morning, Chandni Chowk in central Delhi witnessed a concentration of 151 PM10 and 207 PM2.5. Meanwhile, an AQI of 108 PM10 and 106PM2.5 was recorded in Ayanagar and 113 PM10 and 93 PM2.5 in Mathura Road followed by 110 PM10 and 90 PM2.5 in IIT-Delhi. Indira Gandhi International Airport (IGIA) Terminal-3 saw 'Moderate-Satisfactory' air quality with a concentration of PM10 at 110 and that of PM2.5 at 75.