Delhi Air Quality: What is the AQI?

• Delhi AQI severe post GRAP III; breathing issues reported.
• Quiz tests knowledge of AQI, GRAP, and pollution effects.
• Vulnerable groups urged to wear N95 masks, avoid outdoor activity.

The air quality index of Delhi and its surrounding areas has once again plunged into the ‘severe’ category following the withdrawal of GRAP III. People

are constantly complaining about shortness of breath, chest tightness, burning sensations, and other issues, while asking the authorities for either a shutdown or a shift to hybrid/offline mode in schools, colleges, and offices. In the worsening situation, people should be well aware of the different categories of AQI, restrictions under GRAP, safer practices to adopt, etc. If you're already familiar with these terms and what they mean, let's take a quick quiz to test your knowledge, and if you're unaware, this is the best time to educate yourself. AQI & Air Pollution Awareness Quiz Q1. What does AQI stand for? A. Air Quantity Index B. Ambient Quality Indicator C. Air Quality Index D. Atmospheric Quality Index Q2. Which AQI range is classified as ‘Severe’? A. 201–300 B. 301–400 C. 401–500 D. Above 500 Q3. Under the Graded Response Action Plan (GRAP), which stage involves the strictest restrictions? A. GRAP I B. GRAP II C. GRAP III D. GRAP IV Q4. Which of the following is a common health symptom during severe air pollution? A. Increased stamina B. Chest tightness C. Better sleep quality D. Improved lung function Q5. Which group is most vulnerable during days of severe AQI? A. Healthy adults B. Athletes C. Children and the elderly D. Tourists Q6. Which activity should be avoided when AQI levels are ‘Severe’? A. Indoor yoga B. Reading indoors C. Outdoor exercise D. Using air purifiers Q7. What is one recommended safety measure during severe air pollution? A. Keeping windows open all day B. Burning waste to reduce trash C. Wearing N95 masks outdoors D. Exercising in parks Q8. Which of the following sources contributes most to Delhi’s winter air pollution? A. Vehicular emissions B. Heavy rainfall C. Coastal winds D. Volcanic ash Q9. Which season sees maximum impact of stubble burning on air quality in North India? A. Summer B. Monsoon C. Post-monsoon / Winter D. Spring Q10. Which tool allows authorities to impose restrictions based on air pollution levels? A. National Air Policy B. Graded Response Action Plan (GRAP) C. Air Safety Guidelines D. Pollution Control Index Answers

1. C
2. C
3. D
4. B
5. C
6. C
7. C
8. A
9. C
10. B

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