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What is the annual carbon monoxide concentration allowances set by the Indian air quality standards for sensitive areas?

What is the annual carbon monoxide concentration allowances set by the Indian air quality standards for sensitive areas? Correct Answer 1000 microgram per cubic metre

The average concentration allowances, set by the national government, are significantly higher for carbon dioxide than other pollutants. The annual quota for sensitive areas (like national parks and hill stations) is about 1000 microgram per cubic metre.

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