Ghaziabad most-polluted city in India during 2025-26 winters, followed by Noida and Delhi: Report
GS3अर्थव्यवस्था · विज्ञान-तकनीक · पर्यावरण · सुरक्षा· Pollution (air, water, plastic)· Prelims + Mains·
चर्चा में क्यों
The Centre for Research on Energy and Clean Air (CREA) released a report revealing that Ghaziabad was the most polluted city in India during the winter of 2025-26.
पृष्ठभूमि
The CREA analysis covered air quality data from October 2025 to February 2026. It found that 204 out of 238 Indian cities exceeded the National Ambient Air Quality Standards (NAAQS) for PM2.5.
प्रीलिम्स के लिए तथ्य
- तथ्यGhaziabad, Noida, and Delhi were the top three most polluted cities in India during winter 2025-26.
- स्थानGreater Noida, Bahadurgarh, and Dharuhera were also ranked among the most polluted cities.
- संस्थाCentre for Research on Energy and Clean Air (CREA) is the body that analyzed the air quality data.
- तथ्य204 out of 238 Indian cities exceeded the National Ambient Air Quality Standards (NAAQS) for PM2.5.
मेन्स के लिए
Q. Critically analyze the factors contributing to persistent non-compliance with National Ambient Air Quality Standards (NAAQS) in the National Capital Region (NCR).
उत्तर के आयाम
- Regulatory gap: Ineffective enforcement of gaseous pollutant controls across state boundaries
- Urban-Industrial nexus: Concentrated particulate matter from industrial clusters in Ghaziabad and Bahadurgarh
- Data-policy mismatch: Need for real-time monitoring to trigger emergency measures during winter months
कीवर्ड: National Ambient Air Quality Standards · PM2.5 · Particulate Matter · Non-compliance · Gaseous Pollutants
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