Choking smog lands Sarajevo at top of Swiss index of most polluted cities for 2nd straight day

A man wears a face mask shrouded by pollution haze as smog covers Sarajevo, Bosnia, Wednesday, Dec. 20, 2023. According to a Swiss air quality company Sarajevo is one of the most polluted cities in the world. (AP Photo/Armin Durgut)

SARAJEVO, Bosnia-Herzegovina (AP) — The Bosnian capital of Sarajevo has been intermittently engulfed in a toxic haze since the start of December, with air quality so bad it was placed first on a list of the world’s most polluted cities for a second straight day Wednesday.

The Swiss , which compiles a real-time list, on Wednesday put Sarajevo’s air quality index, or AQI, at 301, which is in a “very unhealthy†category, followed by 239 in the Indian city of Kolkata.

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