GATE ES · 2025 · ES
Question 20: Air and Noise Pollution
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Question 20
ESMCQ1 markNeeds review
Consider the following statements
P : According to the National Ambient Air Quality Standards (Central Pollution Control Board, Govt. of India, notification 2009), annual time weighted average PM₁₀ standard is more than PM₂.₅ standard.
Q : According to the National Air Quality Index released by Govt. of India in 2015, sub index value of PM₁₀ can be less than that of PM₂.₅.
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2025ES
GATE ES 2025 · Paper 1
Environmental Science and Engineering · Original paper archive
- Section
- Environmental Science and Engineering
- Question type
- Multiple choice (MCQ)
- Marks
- 1 mark
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