How are the Two Most Polluted Metro-cities of India Combating Air Pollution? Way Forward after Lifting of COVID-19 Lockdown

The national capital region of Delhi and Kolkata are the two metro cities in India worst affected by poor air quality. Multiple policies have been declared implemented city authority recent past with hope improving quality to attain ambient standard. This study assesses that these present can help reduce pollution as much 20% optimistic assessment, which may not be sufficient clean-air goal soon. During April May 2020, nationwide lockdown control pandemic COVID-19 has unintentionally resulted improved due force reduction at emission sources. Significant emitting sectors NCR-Delhi still covered current policy measures adequately. substantial contribution secondary aerosol formation from its precursor gases is addressed any city-specific policies. attempts assess gaps A way forward indicated empower polluted clean after lifting for safety inhabitants.