What will you discover?
When the air quality index breaks its own scale, Aarav has to act fast.
Key takeaways
- AQI turns several pollutants into one easy number.
- The colour bands run from green for good to maroon for severe.
- PM2.5 usually decides the AQI in Indian cities.
- Severe days need action from the whole city, not one person.
Questions this video answers
What does AQI stand for?
Air Quality Index, a single number describing how clean or polluted the air is right now.
What is a safe AQI?
Below 50 is good, and 51 to 100 is satisfactory. Above 200 is unhealthy for everyone.
Take the learning further
Check your city's AQI every morning for a week and draw a simple bar chart of the numbers.
