The average air quality index (AQI) was recorded at 393 on Thursday.
Meanwhile, SAFAR advised people to avoid all outdoor physical activities and those with asthma to keep relief medication handy.
"The three students of Bharti Vidyapeeth have developed the application using smartphone camera images to measure the Air Quality Index (AQI) in the NCR, especially New Delhi, by anyone with a smartphone device", said the Society in an e-mail to IANS here. "It is imperative to use a mask and also make people aware of the harmful effects of air pollution", said Dr. K.K. Aggarwal, the former president Indian Medical Association.
As per the data by the Centre-run System of Air Quality Forecasting And Research (SAFAR), the PM10 level in Delhi stood at 334.
Shamika Ravi, a members of the Economic Advisory Council to the Prime Minister, tweeted today: 'Haven't heard a single firecracker in Delhi, yet the air purifiers are blazing red - showing risky levels of pollution.
Construction work involving excavation has been banned.
An aggressive 10 day-long "Clean Air Campaign" was also launched by Harsh Vardhan.
The winter pollution episode in Delhi is now governed by the wind speeds.
The DPCC has also directed the transport department and traffic police to intensify checking of polluting vehicles and control travel congestion in Delhi and other NCR districts during November 1-10. A total of 52 complaints were received through social media and e-mail while 316 complaints were received through the "Sameer app" that has been developed by the CPCB.
Around 177 vehicles have been prosecuted for carrying uncovered building material and amount of Rs 3,54,000 has been imposed as penalty on such vehicles, he said. These teams are visiting different parts of Delhi and adjacent towns of Faridabad, Gurugram, Ghaziabad and Noida.
"I have sent my children to play outside after weeks. We have shifted sports and cultural practices indoors as post Diwali the air quality usually dips", she said. Residents of Delhi and NCR cities woke up to a toxic haze on Monday morning along with a burning sensation in the eyes brought on by a sudden rise in incursion of pollutants from crop-burning in Punjab-Haryana, a drop in temperatures, a rise in moisture levels and related meteorological conditions.
Green Latinos submitted a comment on the plan, highlighting the disproportionate burdens placed on communities of color: "One of two Latinos in the United States lives in a county that does not meet EPA's public health air quality standard".