Delhi: Forecasting systems failed to predict high-pollution episodes, says study

Delhi: Forecasting systems failed to predict high-pollution episodes, says study

Delhi’s air pollution forecasting systems picked up the pollution trend but failed to predict high-pollution episodes last winter, a case study has found. Forecasting systems will need to more accurately predict PM2.5 concentration to reduce high pollution episodes during the next winter, the study, conducted by the Council on Energy, Environment and Water, said. The … Read more

Biomass burning, not firecrackers, responsible for poor quality in Delhi post Diwali, study finds

Biomass burning, not firecrackers, responsible for poor quality in Delhi post Diwali, study finds

Emissions from biomass burning, rather than fireworks, drive Delhi’s poor air quality in the days after Diwali, a new study has found. The study — Chemical Speciation and Source Apportionment of Ambient PM2.5 in New Delhi Before, During, and After the Diwali Fireworks — was led by scientists from IIT-Delhi and published in the Atmospheric Pollution … Read more

Delhi air quality remains ‘very poor’ as rainfall fails to curb pollution

Delhi air quality remains ‘very poor’ as rainfall fails to curb pollution

Delhi was the most polluted city in the world this morning with an Air Quality Index of 241, according to IQAir, a website tracking worldwide air quality. Delhi’s air quality remained toxic today despite rain lashing parts of the city on Wednesday and bringing some relief. The National Capital’s Air Quality Index was measured at … Read more

Delhi weather: Air quality ‘very poor’; Maximum temperature settles at 18°C

Delhi weather: Air quality ‘very poor’; Maximum temperature settles at 18°C

The minimum temperature was recorded at 9.4 degrees Celsius, two notches above the season’s average while the maximum temperature was at 18 degrees Celsius. Delhi’s air quality deteriorated to the “very poor” category on Tuesday due to low wind speed while the city’s maximum temperature settled at 18 degrees Celsius, three notches below the season’s … Read more