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Air quality in Appenzell Ausserrhoden

Air quality index (AQI⁺) and PM2.5 air pollution in Appenzell Ausserrhoden • 11:55, Apr 17

Polluted skies over Cairo
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April 17, 2026: Cairo among top 10 most polluted cities in the world

Forest wrapped in a haze of smoke
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Which is the most polluted city in Appenzell Ausserrhoden?