In a significant relief for Delhi-NCR residents, the Commission for Air Quality Management (CAQM) has lifted the GRAP 3 in Delhi restrictions following improvements in the Air Quality Index (AQI). With this decision, some stringent measures to curb pollution have been eased, though caution remains key as winter weather conditions might still pose challenges. Let’s break down what this means for the city and its people.
What Is GRAP and Why Does It Matter?
The Graded Response Action Plan (GRAP) is a comprehensive framework introduced to combat air pollution in Delhi-NCR. It sets out a series of actions to be taken depending on the severity of the AQI levels. The measures range from basic steps like controlling dust to more restrictive actions, such as banning certain vehicles and halting construction work.
Think of GRAP as a thermostat for pollution control—the higher the pollution levels, the stricter the actions.
Why Were GRAP 3 Measures Enforced?
The Supreme Court mandated that GRAP 3 measures must come into play if the AQI crosses the 350 mark, which is categorized as "very poor" by the Central Pollution Control Board (CPCB). These measures are designed to reduce pollution sources rapidly and prevent further deterioration of air quality.
When the AQI surged beyond the threshold last month, restrictions under GRAP 3 in Delhi were implemented to safeguard public health.
What Restrictions Were Imposed Under GRAP 3?
When GRAP 3 was in effect, several tough measures were introduced:
Shift to Hybrid Classes for Young Students: Schools for grades up to 5 were required to adopt hybrid learning modes to reduce exposure to pollution.
Vehicle Restrictions: BS-III petrol and BS-IV diesel cars were banned in Delhi-NCR, except for persons with disabilities.
Ban on Non-Essential Diesel Goods Vehicles: Diesel-operated medium goods vehicles (BS-IV or older) were prohibited from operating in Delhi.
Halt on Construction Activities: All non-essential construction and demolition activities were banned.
These steps aimed to reduce vehicular emissions, dust, and other pollutants, which are major contributors to the poor air quality.
Why Were GRAP 3 Restrictions Revoked?
Thanks to favorable meteorological conditions and improved wind speeds, Delhi’s AQI has shown a steady decline. On Sunday, the CAQM recorded AQI levels of 339 at 4 PM and 335 at 5 PM, falling back into the "poor" category.
The India Meteorological Department (IMD) predicts that AQI levels will continue to improve in the coming days. This positive trend prompted the CAQM’s sub-committee to revoke GRAP 3 in Delhi restrictions while keeping a close watch on the situation.
Restrictions Still in Place
Although the GRAP 3 measures have been lifted, certain restrictions remain under Stage I and II to prevent any further slippage in air quality:
Control on Dust Pollution: Dust management measures such as spraying water on roads and covering construction materials will continue.
Vehicular Emission Control: Policies targeting high-pollution vehicles remain active.
Ban on Non-Essential Construction: Construction and demolition activities violating environmental guidelines will not be allowed to resume without specific clearance from the CAQM.
Why Caution Is Still Needed
While the situation has improved, the CAQM has warned that winter weather can quickly tip the balance. Cold temperatures and stagnant winds often trap pollutants closer to the ground, worsening the air quality. Residents are advised to adhere to GRAP Stage II measures, such as limiting outdoor activities during peak pollution hours.
How AQI Levels Are Classified
To understand why GRAP 3 in Delhi was implemented and revoked, it’s essential to know the CPCB’s AQI classification system:
Good (0-50): Minimal impact.
Satisfactory (51-100): Minor breathing discomfort.
Moderate (101-200): Breathing discomfort for sensitive groups.
Poor (201-300): Discomfort for people with lung or heart diseases.
Very Poor (301-400): Health impact for the general public.
Severe (400+): Serious health effects, even for healthy individuals.
What Does This Mean for Delhi-NCR Residents?
For Delhiites, the lifting of GRAP 3 means some breathing space—literally and figuratively. Non-essential diesel goods vehicles can now resume operations, and hybrid learning for young students is no longer mandatory. However, the ongoing restrictions under Stages I and II underscore the need for vigilance.
The Role of Citizens in Combating Pollution
While government measures like GRAP 3 are crucial, every individual’s effort counts in the fight against air pollution. Here’s how you can contribute:
Switch to Public Transport: Reduce reliance on personal vehicles.
Avoid Burning Waste: This adds to particulate matter in the air.
Adopt Green Practices: Plant more trees and support eco-friendly initiatives.
What’s Next?
The CAQM sub-committee will continue to monitor air quality and make decisions accordingly. If AQI levels worsen again, stricter measures could return. For now, Delhi-NCR residents can breathe a bit easier but must remain cautious and proactive.
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Conclusion
The revocation of GRAP 3 in Delhi is a step in the right direction, reflecting the positive impact of targeted anti-pollution measures and favorable weather conditions. However, the battle against air pollution is far from over. It’s a shared responsibility that demands consistent action from the government and citizens alike.
So, while the air clears up a bit, let’s not lose sight of the bigger picture: creating a sustainable, pollution-free future for Delhi-NCR.
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