Delhi, air quality index

Delhi-NCR pollution: Centre’s air quality panel revokes GRAP Stage IV; what’s allowed and what’s not
During winters, the Delhi-NCR region enforces restrictions under GRAP, which categorises air quality into four stages -- Stage I (poor, AQI 201-300), Stage II (very poor, AQI 301-400), Stage III (severe, AQI 401-450), and Stage IV (severe plus, AQI above 450).
Delhi AQI: Stage IV curbs removed as air quality improves, lower-stage measures tightened
The decision comes after Delhi's Air Quality Index (AQI) improved to 369 ('Very Poor') at 4 PM on December 24, down from a peak of 401 ('Severe') recorded on December 16.
GRAP 4 Delhi: Cleaner air in Delhi-NCR! Stage IV air quality measures lifted as AQI improves
The Central Government's air quality monitoring body has repealed Stage IV ('Severe+') Graded Response Action Plan (GRAP) measures in Delhi and the National Capital Region (NCR) due to improved air quality.
Delhi Pollution: GRAP-4 Measures Revoked As Air Quality Improves Amid Light Rains
The Commission for Air Quality Management has revoked Stage IV of the Graded Response Action Plan (GRAP) for the National Capital Region but will keep measures under Stages I, II, and III in place.
Air Quality Relieves Delhi: Stage IV Curbs Lifted
Delhi-NCR's air pollution levels have improved, leading to the lifting of Stage IV restrictions under the Graded Response Action Plan. The 24-hour average Air Quality Index recorded a decline, standing at 369 at 4 pm.
Delhi: Centre Revokes GRAP-4 Restrictions Amid Air Quality Improvement
Delhi has revoked GRAP-4 anti-pollution measures due to continuous improvement in air quality, with the AQI reaching a very poor rating of 369. This decision highlights the ongoing efforts to manage pollution effectively.
Centre's air quality panel revokes GRAP stage 4 curbs amid dip in pollution levels in Delhi-NCR
The Commission for Air Quality Management (CAQM) had implemented Stage IV of the Graded Response Action Plan (GRAP) from December 16, after Delhi's air quality deteriorated further.
Delhi Lifts Stage IV Pollution Curbs as Air Quality Sees Improvement
The Central government lifted Stage IV pollution measures in Delhi-NCR after air quality improved. The Air Quality Index dropped to 369 ('Very Poor'), down from 401 ('Severe'). Other stages remain active to prevent deterioration,
GRAP-4 measures revoked in Delhi as air quality improves
Restrictions under stages 1, 2 and 3 would remain in force to prevent any deterioration of air quality, the CAQM said.
Centre's air quality panel for Delhi-NCR revokes GRAP Stage-IV curbs
According to forecasts from the India Meteorological Department and the Indian Institute of Tropical Meteorology, the air quality situation is predicted to improve further, owing to favourable meteorological conditions.
GRAP-4 revoked in Delhi as AQI improves, stage-3 restrictions to continue
The decision was taken after Delhi's Air Quality Index (AQI) significantly improved to 369 (very poor) at 4 pm on Tuesday.
Weather today: Delhi wakes up to smog as air quality continues to be ‘severe’, light rain likely
In its latest forecast, the weather agency said Delhi's sky will remain partly cloudy throughout the day and warned of a ...
Centre's air quality panel for Delhi-NCR revokes curbs under GRAP Stage IV
Delhi's air pollution levels showed a declining trend on Tuesday and the 24-hour average Air Quality Index (AQI) stood at 369 ...