Delhi, Air Quality Index and GRAP

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.
Delhi-NCR pollution: GRAP Stage IV revoked as air quality improves; what's allowed and what's not
"Actions under Stage I, II, and III of the revised GRAP shall remain invoked and be implemented, monitored, and reviewed by all the agencies concerned in the entire NCR to ensure
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.
Delhi air improves slightly to 'very poor' level, curbs under GRAP-IV lifted
The Stage 4 restrictions imposed in Delhi under the Graded Response Action Plan (GRAP) as part of the winter air pollution control measures by the Centre's Air Quality panel were lifted on Tuesday as the city's air quality slightly improved to 'very poor', a statement said.
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The Central Government's air quality monitoring body has repealed Stage IV ('Severe+') Graded Response Action Plan (GRAP) measures in Delhi and the National Capital Region (NCR) due to improved air quality.
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 revokes GRAP 4 restrictions in Delhi-NCR
The Commission for Air Quality Management (CAQM) on Tuesday revoked Stage 4 of the Graded Response Action Plan (GRAP) across NCR, reported ANI. However, measures under stages 1, 2 and 3 will remain in force to manage pollution levels.
Delhi pollution: Centre lifts GRAP 4 restrictions in NCR as air quality improves
The Commission for Air Quality Management (CAQM) announced the revocation of Stage 4 restrictions under the Graded Response Action Plan (GRAP) across the National Capital Region (NCR) on Tuesday, citing improving pollution levels,
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Mumbai Air Quality Index Worsens: BMC Unveils New Guidelines To Tackle Pollution; Check Inside
BMC has introduced new guidelines to combat Mumbai's worsening air pollution, including road dust cleaning, water sprinklers ...
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Pakistan among five countries with worst air quality: study
The country’s average AQI in 2023 was 160, with PM2.5 levels 14.7 times higher than the WHO's recommended limits.
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Drizzle in Delhi, air quality 'severe'
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Air turns ‘poor’ after 6 ‘very poor’ days as wind speed picks up
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Hanoi's air quality 'hazardous'
Hanoi's air quality has gone down over the past two days, with some areas seeing air quality index (AQI) going up to 380, or ...
We tested these air purifiers so that you can breathe easy
Here are some of the best air purifiers that The Indian Express has tried and tested over the last few months, and they will ...