Question
The best method for routine monitoring of air pollution
A. Sulphur dioxide, smoke, and particulate matter
B. Sulphur dioxide, Hydrogen sulphide, carbon monoxide
C. Carbon dioxide, hydrogen sulphide, lead
D. Sulphur dioxide, Lead and particulate matter
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Correct Answer » D Explanation |
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Ans. D Sulphur dioxide, Lead and particulate matter
Air quality index consists of:
- Particulate matter (less than 2.5 micrometers and 10 micrometer – PM2.5 and PM10)
- Nitrogen dioxide (NO2)
- Sulphur dioxide (SO2)
- Carbon monoxide (CO)
- Ozone (O3)
- Ammonia (NH3)
- Lead (Pb)