Score:
6.5/10
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Topper’s Copy
GS3
Environment & Ecology
10 marks
Discuss the major causes of deteriorating air quality in Delhi during the post-monsoon season. How effective has the Graded Response Action Plan (GRAP) been in addressing these challenges?
Student’s Answer
Evaluation by SuperKalam
Demand of the Question
- Major causes of deteriorating air quality in Delhi during post-monsoon season
- Effectiveness of GRAP in addressing these challenges
What you wrote:
Delhi consistently records severe levels of air pollution in the post-monsoon season, with Air Quality Index (AQI) frequently crossing the "Hazardous" mark. This seasonal deterioration is the result of meteorological conditions & anthropogenic activities interacting after the monsoon withdrawal.
Delhi consistently records severe levels of air pollution in the post-monsoon season, with Air Quality Index (AQI) frequently crossing the "Hazardous" mark. This seasonal deterioration is the result of meteorological conditions & anthropogenic activities interacting after the monsoon withdrawal.
Suggestions to improve:
- Could strengthen with recent data (e.g., October 2025 AQI reaching 211 triggering Stage-I GRAP, showing the persistent nature of this challenge).
What you wrote:
Major causes of post-monsoon:
* Stubble burning in Punjab & Haryana & western Uttar Pradesh releases particulate matter (PM2.5, PM10) transported to Delhi by northwesterly winds.
* Increased construction dust after monsoon break.
* Temperature Inversion / low wind speed trapping pollutants.
* Festive season, for example; Diwali crackers, biomass burning.
* Vehicular emissions; Diesel trucks allowed post-harvest.
Major causes of post-monsoon:
* Stubble burning in Punjab & Haryana & western Uttar Pradesh releases particulate matter (PM2.5, PM10) transported to Delhi by northwesterly winds.
* Increased construction dust after monsoon break.
* Temperature Inversion / low wind speed trapping pollutants.
* Festive season, for example; Diwali crackers, biomass burning.
* Vehicular emissions; Diesel trucks allowed post-harvest.
Suggestions to improve:
- Could quantify stubble burning impact (e.g., contributes 32% of daily pollution deaths during post-monsoon as per recent studies)
- Can elaborate on construction activities resuming post-monsoon as a significant dust source
What you wrote:
Effectiveness of GRAP;
Implemented since 2017, provides a tiered framework of measures based on AQI levels.
| Successes | Limitations |
| --- | --- |
| * Institutionalized coordination between CPCB, DPCC & Local bodies; ensured quick legally enforceable responses. | * Predominantly reactive, not preventive; |
| * Legal enforcement under Air Act, real-time AQI monitoring. | * enforcement remain inconsistent across NCR; Inter-state coordination on stubble burning is weak & public awareness remain limited. |
Effectiveness of GRAP;
Implemented since 2017, provides a tiered framework of measures based on AQI levels.
| Successes | Limitations |
| --- | --- |
| * Institutionalized coordination between CPCB, DPCC & Local bodies; ensured quick legally enforceable responses. | * Predominantly reactive, not preventive; |
| * Legal enforcement under Air Act, real-time AQI monitoring. | * enforcement remain inconsistent across NCR; Inter-state coordination on stubble burning is weak & public awareness remain limited. |
Suggestions to improve:
- Could include recent GRAP Stage-I activation in October 2025 as current example
- Can add specific GRAP stages (Stage I-IV) with AQI thresholds for better clarity
What you wrote:
GRAP is a step forward, but without structural reform in agriculture, transport & regional cooperation, it remains a temporary firefighting tool, not a long-term solution.
GRAP is a step forward, but without structural reform in agriculture, transport & regional cooperation, it remains a temporary firefighting tool, not a long-term solution.
Suggestions to improve:
- Could mention recent government innovation challenges offering ₹50 lakh rewards for pollution solutions showing policy evolution
- Can link to sustainable development goals (SDG 11 - Sustainable Cities)
Well-structured answer with strong analytical framework, effective tabular presentation, and balanced assessment of GRAP's mixed effectiveness. Minor scope for recent examples and quantitative data enhancement.
Demand of the Question
- Major causes of deteriorating air quality in Delhi during post-monsoon season
- Effectiveness of GRAP in addressing these challenges
What you wrote:
Delhi consistently records severe levels of air pollution in the post-monsoon season, with Air Quality Index (AQI) frequently crossing the "Hazardous" mark. This seasonal deterioration is the result of meteorological conditions & anthropogenic activities interacting after the monsoon withdrawal.
Delhi consistently records severe levels of air pollution in the post-monsoon season, with Air Quality Index (AQI) frequently crossing the "Hazardous" mark. This seasonal deterioration is the result of meteorological conditions & anthropogenic activities interacting after the monsoon withdrawal.
Suggestions to improve:
- Could strengthen with recent data (e.g., October 2025 AQI reaching 211 triggering Stage-I GRAP, showing the persistent nature of this challenge).
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