The most polluted train city, Delhi also surpassed Lahore. 📌 Key Highlights & Quick Takeaways: Due to the sharp increase in air pollution in India's capital, New Delhi, the city has risen to the first place in the list of the most poll. Visibility was also affected as a thick layer of smog and fog settled in Delhi, while citizens faced breathing difficulties. According to the Reuters news agency, on Friday, November 13, 2026, Switzerland's air quality monitoring organization IQ Air recorded Delhi'. Due to the sharp increase in air pollution in India's capital, New Delhi, the city has risen to the first place in the list of the most polluted big cities in the world, while the city of Lahore in Pakistan has dropped from the second position to the seventh place. Visibility was also affected as a thick layer of smog and fog settled in Delhi, while citizens faced breathing difficulties. According to the Reuters news agency, on Friday, November 13, 2026, Switzerland's air quality monitoring organization IQ Air recorded Delhi's air quality index of 334, which was declared extremely dangerous. In contrast, India's Central Pollution Control Board recorded Delhi's AQI at 403, indicating severe pollution. Official Wire Source & Legal Disclaimer Read ▼ 📰 Official Source & Legal Provenance: Express News Documented Wire Record Editorial & Legal Notice: Ingested and verified from official journalistic wire (Express News) under applicable press regulations. Full primary documentary sources are permanently archived.