Statement (a) is correct; AQI provides a daily update on air quality. Statement (b) is correct; the AQI scale is designed such that a higher value indicates a greater level of air pollution and poorer air quality. Statement (c) is correct; the Indian AQI is calculated on a scale ranging from 0 to 500, divided into six categories. Statement (d) is correct; AQI is calculated based on the measured concentrations of eight major pollutants (PM2.5, PM10, SO2, NO2, CO, O3, NH3, and Lead) at monitoring stations.
Find out correct statements regarding Air Quality Index (AQI) in India. (a) It reports quality of air on a daily basis. (b) Higher the AQI value, greater the level of air pollution. (c) India follows 500 points scale. (d) Monitors record concentration of the major pollutants to calculate AQI. Answer Options :
Asked in MPSC CS Prelims 2020 · Topic: Pollution (Air Pollution: Types, sources, primary & secondary pollutants, smog, acid rain, effects, control technologies & policies.)
More Environment and Ecology questions
- Which acid is present in Acid Rain ?
- Nitrogen fertilizers in soils releases _____ when broken down by bacteria.
- One of the main causes of air pollution in cities is emissions from vehicles like cars and trucks. Cars emit various pollutants which are bad for human health when inhaled, like 1. Nitrogen oxides (NOx) 2. Carbon monoxide (CO) 3. Carbon dioxide (CO2) 4. Benzene Which of the above pollutants are not tolerated by human beings even at very low levels ?
- Which one of the following sectors is the largest contributor to carbon dioxide emissions from fuel consumption in India ?
- Which one of the following is a cause of acid rains?
- Which one of the following is a major environmental issue in eastern Canada?
- The main pollutants responsible for causing green house effect, acid rain and ozone layer depletion are :
- Which of the following can be used for controlling Gaseous Air Pollutant ?