Delhi's Air Pollution Crisis: Alarming Levels Persist Despite Lockdowns
Air pollution in Delhi NCR was studied from 2019 to 2021. Pollutant levels varied by season and location, with winter having the highest and summer the lowest levels. Air quality improved during the COVID-19 lockdown in 2020, with pollutants decreasing by 20-30%. Meteorology played a role in reducing emissions during the lockdown. Bhiwadi was not the most polluted city, with Delhi having the highest pollutant levels in all years analyzed.