What's an air quality index? How to check pollution levels where you live

Air Pollution - we all should know these facts AQI isn’t just a number. It’s the oxygen your lungs are feeding on every second.” We check calories, macros, and steps every day — but rarely check the Air Quality Index that decides how healthy each breath is. When AQI crosses 300 - 600 , it’s not just pollution — it’s toxic air filled with microscopic particles that can damage your lungs, heart, and even your brain over time. In Delhi NCR, we’re breathing what’s equal to smoking 20 cigarettes a da