Air Pollution

Meghalaya’s Byrnihat Most Polluted ‘City’ in India

Note4Students

From UPSC perspective, the following things are important :

Prelims level: CREA

Mains level: Air pollution woes

meghalaya

In the news

  • The Centre for Research on Energy and Clean Air (CREA) recently released data shedding light on air pollution levels across urban centers in India during February 2024.
  • Surprisingly, Meghalaya’s Byrnihat emerged as the most polluted ‘city’ in the nation, sparking concerns about air quality in the otherwise cleaner Northeast region.

About Centre for Research on Energy and Clean Air (CREA)

  • CREA is a non-profit think tank researching energy and air pollution based in Helsinki (Finland).
  • It was established in 2019 with the goal of tracking the impacts of air pollution by providing data-backed research products.

Key Insights

(1) Alarming Pollution Levels in NE

  • Pollution Pinnacle: Byrnihat, an industrial town near the Assam border, recorded the highest levels of PM2.5 pollution in India, with a monthly average concentration of 183 µg/m3.
  • Byrnihat vs. National Averages: Byrnihat’s PM2.5 levels were significantly higher than those in Bihar’s Araria, the second-most polluted city, highlighting the severity of pollution in the former.
  • Northeastern Representation: Other northeastern cities such as Nalbari, Agartala, Guwahati, and Nagaon also featured among the 30 most polluted cities in India, indicating a broader regional trend of worsening pollution levels.

(2) Cleanest Cities and Regional Disparities

  • Positive Performers: Sivasagar, Silchar, Aizawl, and Imphal emerged as the cleanest cities in the region, with PM2.5 concentrations below the National Ambient Air Quality Standard (NAAQS).
  • National Rankings: Sivasagar secured the second position nationally, underscoring its exemplary air quality standards.

(3) Silver Lining: Improvements and Opportunities

  • Positive Trends: February witnessed a notable improvement in air quality, with 36 cities classified under the ‘good’ category, reflecting positive strides in pollution mitigation efforts.
  • Opportunities for Progress: The data signals opportunities for collaborative action and policy interventions to address environmental challenges and safeguard public health.

Implications and Recommendations

  • Monitoring Imperative: The data underscores the urgent need to enhance air quality monitoring infrastructure in the northeastern states to effectively track pollution levels.
  • Environmental Concerns: Unregulated industrial operations, inadequate public transportation, rampant construction, and other factors contribute to the deteriorating air quality in the region, necessitating stringent regulatory measures.

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