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Air quality in Appenzell Ausserrhoden

Air quality index (AQI⁺) and PM2.5 air pollution in Appenzell Ausserrhoden • 00:46, Nov 11

Wildfires in Appenzell Ausserrhoden

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Active fires

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Cities and industrial smoke clouds the sky
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COP31: Why air quality is key to climate health

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November 10, 2026: Ulaanbaatar among top 10 most polluted cities in the world

A foggy, hazy view of India Gate in New Delhi. Several cyclists in bright yellow high-visibility jackets ride along the wide road leading toward the monument, with the arch barely visible through the thick smog.
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India Air Quality Alert

Which is the most polluted city in Appenzell Ausserrhoden?