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National Environmental Standard Laboratory
January 9 , 2026
15 hrs 0 min
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- India has inaugurated the world’s second National Environmental Standard Laboratory (NESL) at CSIR – National Physical Laboratory, New Delhi.
- NESL is an apex national facility for testing, calibration, and certification of air pollution monitoring instruments under Indian climatic conditions.
- The laboratory aims to create India-specific standards and support pollution control programmes such as the National Clean Air Programme (NCAP).
- NESL provides accurate and standardised environmental data by calibrating instruments for temperature, humidity, and dust conditions found in India.
- Only two countries, India and the United Kingdom (UK), have national-level environmental standard laboratories.
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