Delhi, air quality index and GRAP

Delhi-NCR pollution: GRAP Stage IV revoked as air quality improves; 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 air quality improves to 'very poor' category, Grap-IV measures lifted
The stringent measures under the stage-IV of the Grap in Delhi were lifted on Tuesday, following an improvement in the AQI
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The Central Government's air quality monitoring body has repealed Stage IV ('Severe+') Graded Response Action Plan (GRAP) measures in Delhi and the National Capital Region (NCR) due to improved air quality.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 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.
Fog envelopes Delhi, air quality improves, mercury dips slightly
The visibility at Safdarjung, which is representative of Delhi’s weather, and Palam dropped to 100m at 5.30 am and continued to remain the same until 7.30am
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 AQI news today: GRAP-4 revoked in NCR as air quality improves
The Commission for Air Quality Management (CAQM) revoked Stage 4 of the Graded Response Action Plan (GRAP) across NCR. However, measures under Stages 1, 2 and 3 will remain in force to manage pollution levels.
CAQM revokes GRAP-IV restrictions as Delhi’s AQI improves
The Commission for Air Quality Management (CAQM) in the National Capital Region (NCR) and adjoining areas revoked Stage IV restrictions under the Graded Response Action Plan (GRAP) on Tuesday, following a notable decline in pollution levels.
Delhi pollution: Centre lifts GRAP 4 restrictions in NCR as air quality improves
Stage 4 GRAP measures had been in force across NCR since December 16, following a sharp deterioration in air quality.
Central panel withdraws GRAP IV restrictions in Delhi-NCR after dip in air pollution levels
NCR's air quality lifted stage IV restrictions under GRAP following an improvement in pollution levels. The capital report
Amid Air Pollution Woes, Delhi Breathes Easy; Stage IV GRAP Revoked As Air Quality Improves In Capital
Stage IV measures were initially invoked after the directions issued by the Supreme Court when AQI levels breached the 400 mark on December 16. The measures were aimed at curbing severe pollution levels and included restrictions on industrial activities,
Alert on for more rain, dense fog in Delhi; air quality picks up
IMD forecast the minimum to rise up to 11°C by Friday, before dipping again from the next week. It forecast a maximum ...
Dense fog in parts of Delhi, minimum temperature 8.4° Celsius; air quality drops to ‘very poor’
Delhi engulfed in cold wave and dense fog on Christmas morning, with sharp drop in temperatures and poor visibility.
The Financial Express13h
Delhi AQI: Air Quality drops to ‘very poor’ category in parts of Delhi as dense fog engulfs city on Christmas morning
The AQI in various parts of Delhi, including Anand Vihar and Ashok Vihar, was recorded in the ‘very poor’ range. For example, ...
Dense fog engulfs Delhi as air quality remains ‘very poor’
According to the India Meteorological Department (IMD), the minimum temperature stood at nine degrees Celsius.
Delhi's minimum temperature at 8.4 deg C, could see light rain on Thursday
It also predicted partly cloudy skies with the possibility of very light to light rain towards evening or night.The predominant surface wind is expected to be from the northeast direction, with speeds ...
abp LIVE on MSN3h
Fog Reduces Visibility On Christmas In Delhi; Flights Affected, Air Quality Remains 'Very Poor'
The weather department has issued a yellow alert for Wednesday and warned of dense fog in the early morning hours.