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Air quality in Appenzell Ausserrhoden

Air quality index (AQI⁺) and PM2.5 air pollution in Appenzell Ausserrhoden • 09:40, Nov 09

Wildfires in Appenzell Ausserrhoden

Real-time information

Active fires

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An aerial view of a densely populated urban area, featuring closely packed residential and commercial buildings. A layer of haze and smog reduces visibility, obscuring the distant city skyline.
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Pakistan Air Quality Alert

A hazy cityscape viewed from an elevated position, showing densely packed buildings and rooftops. Smoke rises from a chimney in the foreground, while air pollution creates a thick layer of smog that obscures distant buildings and surrounding hills.
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November 9, 2026: Sarajevo among top 10 most polluted cities in the world

A panoramic view of a European riverside city at dusk, featuring illuminated historic buildings, a prominent clock tower, and a river in the foreground with boats passing by.
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Serbia Air Quality Alert

Which is the most polluted city in Appenzell Ausserrhoden?