GRAP IV
GRAP Stage III curbs revoked in Delhi-NCR amid dip in pollution levels
Centre revises air pollution control plan for Delhi-NCR, tightens curbs
2.6 lakh vehicles fined more than Rs 260 crore over pollution in Delhi
Delhi AQI improves to moderate, GRAP Stage-3, 4 restrictions lifted
With improving air quality, SC allows CAQM to relax GRAP-4 curbs to stage 2
SC refuses to relax GRAP-4 restrictions unless AQI shows 'downward trend'