US Air Quality Index: Lahore is world’s most polluted city

Lahore, the cultural capital Pakistan, has been ranked as the world’s most polluted city, according to air pollution data released by the US Air Quality Index (AQI). Lahore reported a particulate matter (PM) rating of 423. New Delhi stood second with a PM of 229, while Nepal’s capital Kathmandu ranked the third with a PM of 178.

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About AQI:

The Air Quality Index (AQI) is released by the US Environmental Protection Agency (EPA) to give people an idea of whether it’s safe to breathe the air.
AQI is based on the levels of five major pollutants regulated by the EPA: ground-level ozone, particulate matter (PM2.5), carbon monoxide, sulfur dioxide, and nitrogen dioxide.
AQI measures air quality by placing it on a scale of 0-500, where air quality is regarded as satisfactory if the AQI is under 50.

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Sumit Arora

As a team lead and current affairs writer at Adda247, I am responsible for researching and producing engaging, informative content designed to assist candidates in preparing for national and state-level competitive government exams. I specialize in crafting insightful articles that keep aspirants updated on the latest trends and developments in current affairs. With a strong emphasis on educational excellence, my goal is to equip readers with the knowledge and confidence needed to excel in their exams. Through well-researched and thoughtfully written content, I strive to guide and support candidates on their journey to success.