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1. Delhi, India | While several Delhi locations, such as Bawana, Jahangirpuri, Wazirpur, Alipur, and Burari Crossing, crossed 401 and reached the "severe" level, Delhi's overall Air Quality Index (AQI) on Wednesday is roughly 410 at 11:38 am, firmly placing it in the "hazardous" category, according to recent statistics from the Swiss air quality company IQAir in October 2025. (Image: PTI)

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2. Lahore, Pakistan | Lahore came in behind New Delhi as the second most polluted city in the world. With an AQI of roughly 209-266, the list classified Lahore as "very unhealthy," with PM2.5 concentrations of 105 µg/m³, which is 21 times the World Health Organization (WHO) annual PM2.5 guideline value. (Image: Reuters)

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3. Kinshasa, Democratic Republic of the Congo | Th

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